gnu: trilinos-for-dealii-openmpi: Remove input labels.

* gnu/packages/maths.scm (trilinos-for-dealii-openmpi)[native-inputs,
inputs, propagated-inputs]: Remove labels.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/maths.scm

@@ -5152,10 +5152,11 @@ revised simplex and the branch-and-bound methods.")
         (base32 "0fnwlhzsh85qj38cq3igbs8nm1b2jdgr2z734sapmyyzsy21mkgp"))))
     (build-system cmake-build-system)
     (native-inputs
-     `(;; The build fails with the current gcc.
+     (list
+      ;; The build fails with the current gcc.
       ;; Use the version from when Trilinos was added.
-       ("gcc" ,gcc-7)
-       ("gfortran" ,gfortran)
+      gcc-7
+      gfortran
       ;; Trilinos's repository contains several C-shell scripts, but adding
       ;; tcsh to the native inputs does not result in the check phase running
       ;; any more tests than without it (nor is tcsh required to build
@@ -5171,15 +5172,15 @@ revised simplex and the branch-and-bound methods.")
       ;; Perl is required for some Zoltan tests and Python 2 for one ML test.
       ;;
       ;; [1]: https://cs.sandia.gov/zoltan/dev_html/dev_test_script.html
-       ("perl" ,perl)
-       ("python" ,python-2)))
+      perl
+      python-2))
     (inputs
-     `(("blas" ,openblas)
-       ("lapack" ,lapack)
-       ("mumps" ,mumps-openmpi)
-       ("scalapack" ,scalapack)))
+     (list openblas
+           lapack
+           mumps-openmpi
+           scalapack))
     (propagated-inputs
-     `(("mpi" ,openmpi)))
+     (list openmpi))
     (arguments
      `(#:build-type "Release"
        #:configure-flags