[gimp] meson: remove autotools-related data from the meson tarball.

[Jehan <jehanp src gnome org>]

commit f6f50ae1c74590376a744b1304cfefbe6bc58c6c
Author: Jehan <jehan girinstud io>
Date:   Tue Aug 2 16:53:15 2022 +0200

    meson: remove autotools-related data from the meson tarball.

 meson_dist_script.sh | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/meson_dist_script.sh b/meson_dist_script.sh
index 63b389323e..7ffa943795 100755
--- a/meson_dist_script.sh
+++ b/meson_dist_script.sh
@@ -33,3 +33,9 @@ cp -f 'INSTALL' "${MESON_DIST_ROOT}"
 rm -f "${MESON_DIST_ROOT}/INSTALL.in"
 
 cp "$GIT_VERSION_H" "${MESON_DIST_ROOT}"
+
+# Removing autotools data. Let's make so that people who build from this
+# tarball only see the meson build system and don't get confused.
+rm -f "${MESON_DIST_ROOT}/autogen.sh"
+rm -f "${MESON_DIST_ROOT}/configure.ac"
+rm -f $(find ${MESON_DIST_ROOT} -name 'Makefile*')