[gnome-builder/wip/gtk4-port: 697/736] plugins/line-spacing: delete line-spacing plugin

[Christian Hergert <chergert src gnome org>]

commit 7f52d7d8441678e5c7322ce24ca7ccab3604bb52
Author: Christian Hergert <chergert redhat com>
Date:   Wed Apr 20 17:28:11 2022 -0700

    plugins/line-spacing: delete line-spacing plugin
    
    This entire plugin has been replaced with a few lines of code to use
    the CSS line-height property.

 .../line-spacing/gbp-line-spacing-buffer-addin.c   | 157 ---------------------
 .../line-spacing/gbp-line-spacing-buffer-addin.h   |  31 ----
 src/plugins/line-spacing/line-spacing-plugin.c     |  36 -----
 .../line-spacing/line-spacing.gresource.xml        |   6 -
 src/plugins/line-spacing/line-spacing.plugin       |   9 --
 src/plugins/line-spacing/meson.build               |  12 --
 src/plugins/meson.build                            |   1 -
 7 files changed, 252 deletions(-)
---
diff --git a/src/plugins/meson.build b/src/plugins/meson.build
index 308d6106d..3515a7479 100644
--- a/src/plugins/meson.build
+++ b/src/plugins/meson.build
@@ -89,7 +89,6 @@ subdir('html-preview')
 subdir('intelephense')
 subdir('jedi-language-server')
 subdir('jhbuild')
-#subdir('line-spacing')
 subdir('ls')
 subdir('make')
 subdir('maven')