Remove accidentially commited module

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

diff --git a/apps_socialsharing b/apps_socialsharing
deleted file mode 160000 (submodule)
index a1157ab..0000000
--- a/apps_socialsharing
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a1157abb8a37862f87f5012317f9323113467737