Remove .tarball-revision generation from meson dist

Toward making release tarball identical to git checkout now that we are moving to meson.

Makefile.am

diff --git a/Makefile.am b/Makefile.am
index 3fb4eaa..c27b005 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -42,7 +42,6 @@
 	perf/texts/fa-thelittleprince.txt \
 	meson-cc-tests/intel-atomic-primitives-test.c \
 	meson-cc-tests/solaris-atomic-operations.c \
-	write-tarball-revision.py \
 	$(NULL)
 
 MAINTAINERCLEANFILES = \

meson.build

diff --git a/meson.build b/meson.build
index 4347f98..997b8a0 100644
--- a/meson.build
+++ b/meson.build
@@ -358,10 +358,6 @@
   subdir('docs')
 endif
 
-if not meson.is_subproject()
-  meson.add_dist_script('write-tarball-revision.py')
-endif
-
 configure_file(output: 'config.h', configuration: conf)
 
 summary({'prefix': get_option('prefix'),

write-tarball-revision.py

diff --git a/write-tarball-revision.py b/write-tarball-revision.py
deleted file mode 100755
index ebf6426..0000000
--- a/write-tarball-revision.py
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env python3
-
-import os, subprocess
-from pathlib import Path
-
-outfile = Path(
-    os.getenv ('MESON_DIST_ROOT')
-    or os.getenv ('MESON_SOURCE_ROOT')
-    or Path(__file__).parent
-) / '.tarball-revision'
-
-with open(outfile, 'wb') as f:
-	f.write(subprocess.check_output(['git', 'log', '--no-color', '--no-decorate', 'HEAD~..HEAD']))