meson: Now dist target is upstream

This reverts commit 2140c9dffb, but not
the Makefile.am part. Also fixes EXTRA_DIST.

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>

Makefile.am

@@ -591,4 +591,5 @@ coverage-clean:
 EXTRA_DIST += \
 	doc/meson.build \
 	subprojects/libgwater/xcb/meson.build \
+	meson_options.txt \
 	meson.build

meson.build

@@ -439,5 +439,3 @@ if ohcount.found()
         ],
     )
 endif
-
-run_target('dist', command: [ 'script/dist.sh' ])

script/dist.sh

@@ -1,21 +0,0 @@
-#! /bin/sh
-
-NAME=`mesonintrospect ${MESON_BUILD_ROOT} --projectinfo | tr ',[' '\n\n' | sed -n 1,/subprojects/p | grep name | cut -d'"' -f4`
-VERSION=`mesonintrospect ${MESON_BUILD_ROOT} --projectinfo | tr ',[' '\n\n' | sed -n 1,/subprojects/p | grep version | cut -d'"' -f4`
-PREFIX=${NAME}-${VERSION}
-TAR=${MESON_BUILD_ROOT}/${PREFIX}.tar
-
-rm -f ${TAR} ${TAR}.xz
-git archive --prefix=${PREFIX}/ --format=tar HEAD > ${TAR}
-(
-    git submodule | \
-    while read commit path ref; do
-        (
-            cd ${path}
-            git archive --prefix=${PREFIX}/${path}/ --format=tar ${commit} > tmp.tar
-            tar -Af ${TAR} tmp.tar
-            rm -f tmp.tar
-        )
-    done
-)
-xz ${TAR}