meson: remove unused stdin_wrapper.py script

Not needed any more. Used to be used with fc-case and fc-lang,
but those have since been rewritten in python.

Makefile.am

@@ -47,7 +47,6 @@ MESON_FILES = \
 	src/fcwindows.h \
 	src/fontconfig.def.in \
 	src/makealias.py \
-	stdin_wrapper.py \
 	$(wildcard $(srcdir)/*/meson.build) \
 	$(wildcard $(srcdir)/meson-cc-tests/*) \
 	$(wildcard $(srcdir)/subprojects/*.wrap)

meson.build

@@ -301,7 +301,6 @@ fcstdint_h = configure_file(
   output: 'fcstdint.h',
   copy: true)
 
-stdinwrapper = files('stdin_wrapper.py')[0]
 makealias = files('src/makealias.py')[0]
 
 alias_headers = custom_target('alias_headers',

stdin_wrapper.py

@@ -1,20 +0,0 @@
-import argparse
-import subprocess
-import sys
-
-if __name__=='__main__':
-    parser = argparse.ArgumentParser()
-    parser.add_argument('prog')
-    parser.add_argument('input')
-    parser.add_argument('output')
-    parser.add_argument('args', nargs='*')
-
-    args = parser.parse_args()
-
-    unescaped_args = [arg.strip('""') for arg in args.args]
-
-    command = [args.prog] + unescaped_args
-
-    with open(args.output, 'w') as out:
-        with open(args.input, 'r') as in_:
-            sys.exit(subprocess.run(command, stdin=in_, stdout=out).returncode)