[gnome-software] trivial: Remove a now-unused GsPluginFlags define

[Richard Hughes <rhughes src gnome org>]

commit 290f6086cc98b9d2ffcd394d9f94a53f3dfe20de
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jul 13 13:49:33 2018 +0100

    trivial: Remove a now-unused GsPluginFlags define

 lib/gs-plugin-types.h | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/lib/gs-plugin-types.h b/lib/gs-plugin-types.h
index 792828f5..872c5209 100644
--- a/lib/gs-plugin-types.h
+++ b/lib/gs-plugin-types.h
@@ -59,7 +59,6 @@ typedef enum {
  * @GS_PLUGIN_FLAGS_RUNNING_OTHER:     Another plugin is running
  * @GS_PLUGIN_FLAGS_EXCLUSIVE:         An exclusive action is running
  * @GS_PLUGIN_FLAGS_RECENT:            This plugin recently ran
- * @GS_PLUGIN_FLAGS_GLOBAL_CACHE:      Use the global app cache
  *
  * The flags for the plugin at this point in time.
  **/
@@ -68,7 +67,6 @@ typedef enum {
 #define GS_PLUGIN_FLAGS_RUNNING_OTHER  (1u << 1)
 #define GS_PLUGIN_FLAGS_EXCLUSIVE      (1u << 2)
 #define GS_PLUGIN_FLAGS_RECENT         (1u << 3)
-#define GS_PLUGIN_FLAGS_GLOBAL_CACHE   (1u << 4)
 typedef guint64 GsPluginFlags;
 
 /**