[3rdparty] Remove assetic

rullzer · MorrisJobke · commit ca57f755fd1e · 2016-07-18T13:10:42.000+02:00
diff --git a/3rdparty b/3rdparty
@@ -1 +1 @@
-Subproject commit 7c7b656fe7c13277011e13058af6be7ab9537f90
+Subproject commit 73e2a2898332eb51770cde3769bbc5cf1c883564
