[gnome-software] Remove the DesktopDB plugin

[Richard Hughes <rhughes src gnome org>]

commit 70fd30041630ed7ff458ff92fa590ed4dbfb35db
Author: Richard Hughes <richard hughsie com>
Date:   Tue Sep 2 12:01:10 2014 +0100

    Remove the DesktopDB plugin
    
    New versions of PackageKit do not update this data anymore.

 src/plugins/Makefile.am           |    6 -
 src/plugins/gs-plugin-desktopdb.c |  186 -------------------------------------
 2 files changed, 0 insertions(+), 192 deletions(-)
---
diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am
index 3174cef..dba496c 100644
--- a/src/plugins/Makefile.am
+++ b/src/plugins/Makefile.am
@@ -27,7 +27,6 @@ noinst_LTLIBRARIES =                                  \
 plugindir = $(libdir)/gs-plugins-${GS_PLUGIN_API_VERSION}
 plugin_LTLIBRARIES =                                   \
        libgs_plugin_appstream.la                       \
-       libgs_plugin_desktopdb.la                       \
        libgs_plugin_hardcoded-featured.la              \
        libgs_plugin_hardcoded-categories.la            \
        libgs_plugin_moduleset.la                       \
@@ -171,11 +170,6 @@ libgs_plugin_packagekit_offline_la_LIBADD = $(GS_PLUGIN_LIBS)
 libgs_plugin_packagekit_offline_la_LDFLAGS = -module -avoid-version
 libgs_plugin_packagekit_offline_la_CFLAGS = $(GS_PLUGIN_CFLAGS) $(WARN_CFLAGS)
 
-libgs_plugin_desktopdb_la_SOURCES = gs-plugin-desktopdb.c
-libgs_plugin_desktopdb_la_LIBADD = $(GS_PLUGIN_LIBS) $(PACKAGEKIT_LIBS)
-libgs_plugin_desktopdb_la_LDFLAGS = -module -avoid-version
-libgs_plugin_desktopdb_la_CFLAGS = $(GS_PLUGIN_CFLAGS) $(WARN_CFLAGS)
-
 check_PROGRAMS =                                       \
        gs-self-test