gnu: Remove unneeded uses of 'libiconv'.

iconv is part of glibc, there is no need to add it as input.

* gnu/packages/accessibility.scm (brltty)[inputs]: Remove LIBICONV.
* gnu/packages/compression.scm (innoextract)[inputs]: Likewise.
* gnu/packages/haskell-apps.scm (darcs)[inputs]: Likewise.
* gnu/packages/kde-multimedia.scm (k3b)[inputs]: Likewise.
* gnu/packages/linphone.scm (liblinphone)[inputs]: Likewise.
* gnu/packages/mail.scm (mailutils)[inputs]: Likewise.
* gnu/packages/maths.scm (libqalculate)[inputs]: Likewise.
* gnu/packages/pep.scm (pep-engine)[inputs]: Likewise.
* gnu/packages/vim.scm (neovim)[inputs]: Likewise.
* gnu/packages/wget.scm (wget2)[inputs]: Likewise.
* gnu/packages/telegram.scm (telegram-desktop)[inputs]: Likewise.
* gnu/packages/video.scm (transcode)[native-inputs]: Likewise.

gnu/packages/accessibility.scm

@@ -30,7 +30,6 @@
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (gnu packages)
   #:use-module (gnu packages lisp)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages ocaml)
   #:use-module (gnu packages pcre)
   #:use-module (gnu packages polkit)
@@ -174,7 +173,6 @@ terminals.")
            flite
            glib
            gpm
-           libiconv
            icu4c
            libbraille
            pcre2

gnu/packages/compression.scm

@@ -2093,7 +2093,7 @@ single-member files which can't be decompressed in parallel.")
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f))
-   (inputs (list boost libiconv xz))
+   (inputs (list boost xz))
    (native-inputs (list pkg-config))
    (home-page "https://constexpr.org/innoextract/")
    (synopsis "Tool for extracting Inno Setup installers")

gnu/packages/haskell-apps.scm

@@ -41,7 +41,6 @@
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix build-system haskell)
   #:use-module (gnu packages)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages gl)
   #:use-module (gnu packages haskell)
@@ -252,7 +251,6 @@ unlit literate code files; and an option to turn off macro-expansion.")
            ghc
            ncurses
            perl
-           libiconv
            ghc-network
            ghc-network-uri))
     (native-inputs

gnu/packages/kde-multimedia.scm

@@ -29,7 +29,6 @@
   #:use-module (guix gexp)
   #:use-module (gnu packages)
   #:use-module (gnu packages audio)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages cdrom)
   #:use-module (gnu packages docbook)
@@ -411,7 +410,6 @@ variety of formats.")
            libdvdcss
            libdvdread
            ;; TODO: LibFuzzer
-           libiconv
            libkcddb
            libmad
            libmpcdec

gnu/packages/linphone.scm

@@ -24,7 +24,6 @@
   #:use-module (gnu packages admin)
   #:use-module (gnu packages audio)
   #:use-module (gnu packages avahi)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages cpp)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages crypto)
@@ -778,7 +777,6 @@ device.")
        ("bellesip" ,belle-sip)
        ("belr" ,belr)
        ("bzrtp" ,bzrtp)
-       ("iconv" ,libiconv)
        ("ldap" ,openldap)
        ("libxsd" ,xsd)
        ("lime" ,lime)

gnu/packages/mail.scm

@@ -365,7 +365,6 @@ example, modify the message headers or body, or encrypt or sign the message.")
            libltdl
            gdbm
            ;; Required for SEARCH CHARSET.
-           libiconv
            libunistring))
     (home-page "https://mailutils.org")
     (synopsis "Utilities and library for reading and serving mail")

gnu/packages/maths.scm

@@ -7035,8 +7035,7 @@ researchers and developers alike to get started on SAT.")
            curl
            icu4c
            gnuplot
-           readline
-           libiconv))
+           readline))
     (arguments
      `(#:phases
        (modify-phases %standard-phases

gnu/packages/pep.scm

@@ -131,7 +131,6 @@ OPENPGP=SEQUOIA
            pkg-config yml2))
     (inputs
      `(("libetpan" ,fdik-libetpan)
-       ("libiconv" ,libiconv)
        ("nettle" ,nettle)
        ("openssl" ,openssl)
        ("sequoia" ,sequoia)

gnu/packages/telegram.scm

@@ -23,7 +23,6 @@
   #:use-module (gnu packages assembly)
   #:use-module (gnu packages audio)
   #:use-module (gnu packages autotools)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages check)
   #:use-module (gnu packages cmake)
   #:use-module (gnu packages compression)
@@ -409,7 +408,6 @@ Telegram project, for its use in telegram desktop client.")
        ("gtk+" ,gtk+)
        ("hime" ,hime)
        ("hunspell" ,hunspell)
-       ("iconv" ,libiconv)
        ("jemalloc" ,jemalloc)
        ("kwayland" ,kwayland)
        ("lib-base-source"

gnu/packages/video.scm

@@ -262,7 +262,6 @@
     (native-inputs
      `(("autoconf" ,autoconf)
        ("automake" ,automake)
-       ("iconv" ,libiconv)
        ("libtool" ,libtool)
        ("libxml2" ,libxml2)
        ("perl" ,perl)

gnu/packages/vim.scm

@@ -716,7 +716,6 @@ are detected, the user is notified.")))
        ("libvterm" ,libvterm)
        ("unibilium" ,unibilium)
        ("jemalloc" ,jemalloc)
-       ("libiconv" ,libiconv)
        ("lua" ,lua-5.1)
        ("lua-luv" ,lua5.1-luv)
        ("lua-lpeg" ,lua5.1-lpeg)

gnu/packages/wget.scm

@@ -24,7 +24,6 @@
 (define-module (gnu packages wget)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (gnu packages)
-  #:use-module (gnu packages base)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages gnunet)
@@ -160,7 +159,6 @@ online pastebin services.")
     `(("bzip2" ,bzip2)
       ("gnutls" ,gnutls/dane)
       ("gpgme" ,gpgme)
-      ("libiconv" ,libiconv)
       ("libidn2" ,libidn2)
       ("libmicrohttpd" ,libmicrohttpd)
       ("libpsl" ,libpsl)