Revert "gnu: texinfo: Fix cross-compilation."

This causes too many rebuilds for the master branch.

This reverts commit 210b6412ee.

gnu/packages/texinfo.scm

@@ -42,28 +42,8 @@
                (base32
                 "0qjzvbvnv9003xdrcpi3jp7y68j4hq2ciw9frh2hghh698zlnxvp"))))
     (build-system gnu-build-system)
-    (arguments
-     ;; When cross-compiling, the package is configured twice: once with the
-     ;; native compiler and once with the cross-compiler. During the configure
-     ;; with the native compiler, the environment is reset. This leads to
-     ;; multiple environment variables missing. Do not reset the environment
-     ;; to prevent that.
-     (if (%current-target-system)
-         '(#:phases
-           (modify-phases %standard-phases
-             (add-before 'configure 'fix-cross-configure
-               (lambda _
-                 (substitute* "configure"
-                   (("env -i")
-                    "env "))
-                 #t))))
-         '()))
-    (inputs `(("ncurses" ,ncurses)))
-    ;; When cross-compiling, texinfo will build some of its own binaries with
-    ;; the native compiler. This means ncurses is needed both in both inputs
-    ;; and native-inputs.
-    (native-inputs `(("perl" ,perl)
-                     ("ncurses" ,ncurses)))
+    (inputs `(("ncurses" ,ncurses)
+              ("perl" ,perl)))
 
     (native-search-paths
      ;; This is the variable used by the standalone Info reader.