[gedit-plugins] Remove old build system

[Jordi Mas <jmas src gnome org>]

commit 83d1e093dcbb6396f01bc8afe6aa692922b9fe67
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Apr 28 08:01:55 2019 +0000

    Remove old build system

 autogen.sh   |  19 ----
 configure.ac | 331 -----------------------------------------------------------
 m4/python.m4 |  62 -----------
 meson.build  |   2 +-
 4 files changed, 1 insertion(+), 413 deletions(-)
---
diff --git a/meson.build b/meson.build
index 960fee6..2cdf1ab 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'gedit-plugins', 'c',
   version: '3.32.0',
-  meson_version: '>=0.50.0',
+  meson_version: '>=0.49.0',
   license: 'GPL2'
 )