[gedit-plugins] build: remove api_version (not used)

[Sébastien Wilmet <swilmet src gnome org>]

commit f47d21d8c02b2736a3310af45429865e5bcc1a0a
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Nov 11 17:06:28 2019 +0100

    build: remove api_version (not used)
    
    Apart from displaying it in a message at the end.
    But since it is used nowhere else, it doesn't make sense to keep it
    (also, it can become outdated).

 meson.build | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/meson.build b/meson.build
index 52ddc15..8727dd1 100644
--- a/meson.build
+++ b/meson.build
@@ -9,8 +9,6 @@ i18n = import('i18n')
 pkg = import('pkgconfig')
 python = import('python')
 
-api_version = '3.14'
-
 # Paths
 rootdir = include_directories('.')
 
@@ -112,7 +110,7 @@ subdir('help')
 summary = [
   '',
   '------',
-  'gedit-plugins @0@ (@1@)'.format(meson.project_version(), api_version),
+  'gedit-plugins @0@'.format(meson.project_version()),
   '',
   '  AppData: @0@'.format(install_metainfo),
   '',