Revert "configure: move HAVE_LINUX_INPUT_H to CheckInputEvents()"

This reverts commit 221d6ea8a8.

Fixes https://github.com/libsdl-org/SDL/issues/8488

configure

@@ -18942,6 +18942,12 @@ if test "x$ac_cv_header_signal_h" = xyes
 then :
   printf "%s\n" "#define HAVE_SIGNAL_H 1" >>confdefs.h
 
+fi
+ac_fn_c_check_header_compile "$LINENO" "linux/input.h" "ac_cv_header_linux_input_h" "$ac_includes_default"
+if test "x$ac_cv_header_linux_input_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_LINUX_INPUT_H 1" >>confdefs.h
+
 fi
 
 
@@ -26428,9 +26434,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 printf "%s\n" "$use_input_events" >&6; }
         if test x$use_input_events = xyes; then
 
-printf "%s\n" "#define HAVE_LINUX_INPUT_H 1" >>confdefs.h
-
-
 printf "%s\n" "#define SDL_INPUT_LINUXEV 1" >>confdefs.h
 
             SUMMARY_input="${SUMMARY_input} linuxev"