cm.xml: remove CMWallpapers repo

Change-Id: Ia1202aca41429b2cc13a44e52b33239b44bd6c86
diff --git a/snippets/cm.xml b/snippets/cm.xml
index 89fa7e5..f9cffb1 100644
--- a/snippets/cm.xml
+++ b/snippets/cm.xml
@@ -40,7 +40,6 @@
   <project path="packages/apps/CMFileManager" name="LineageOS/android_packages_apps_CMFileManager" />
   <project path="packages/apps/CMParts" name="LineageOS/android_packages_apps_CMParts" />
   <project path="packages/apps/CMUpdater" name="LineageOS/android_packages_apps_CMUpdater" />
-  <project path="packages/apps/CMWallpapers" name="LineageOS/android_packages_apps_CMWallpapers" />
   <project path="packages/apps/Eleven" name="LineageOS/android_packages_apps_Eleven" />
   <project path="packages/apps/Exchange" name="LineageOS/android_packages_apps_Exchange" />
   <project path="packages/apps/FMRadio" name="LineageOS/android_packages_apps_FMRadio" />