gnu: python2-libadalang: Remove package.

* gnu/packages/ada.scm (python2-libadalang): Remove variable.

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

gnu/packages/ada.scm

@@ -177,43 +177,3 @@ specification in our Python DSL and Langkit will generate for you an
 Ada library with bindings for the C and Python programming languages.")
       (home-page "https://github.com/AdaCore/langkit/")
       (license license:gpl3+))))   ; and gcc runtime library exception
-
-(define-public python2-libadalang
-  (let ((commit "9b205e9bacdd50a68117727332e16fbef5f6ac49")
-        (revision "0"))
-    (package
-      (name "python2-libadalang")
-      (version (git-version "0.0.0" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/AdaCore/libadalang")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "06hsnzj2syqpq2yhg1bb0zil7ydbyqkdmkjbf8j9b5sdgkyh5xrp"))
-                (file-name (string-append name "-" version "-checkout"))))
-      (build-system python-build-system)
-      (native-inputs
-       `(("python2-langkit" ,python2-langkit)
-         ("python2-quex" ,python2-quex-0.67.3)))
-      (arguments
-       `(#:python ,python-2
-         #:phases
-         (modify-phases %standard-phases
-           (replace 'build
-             (lambda _
-               (invoke "python2" "ada/manage.py" "generate")
-               (invoke "python2" "ada/manage.py" "build")))
-           (replace 'check
-             (lambda _
-               (invoke "python2" "ada/manage.py" "test")))
-           (replace 'install
-             (lambda* (#:key outputs #:allow-other-keys)
-               (let* ((out (assoc-ref outputs "out")))
-                 (invoke "python2" "ada/manage.py" "install" out)))))))
-      (synopsis "Semantic Analysis for Ada in Python")
-      (description "@code{libadalang} provides a high-performance semantic
-engine for the Ada programming language.")
-      (home-page "https://github.com/AdaCore/libadalang")
-      (license license:gpl3)))) ; and gcc runtime gcc lib exception