Fix mossy wall connections in <= 1.12.2 (#93)

Author: lowercasebtw

mappings/extra/blockConnections.json

@@ -11199,15 +11199,15 @@
       "east": true
     }
   },
-  "cobblestone_wall[east=false,north=false,south=false,up=true,waterlogged=false,west=false]": {
+  "cobblestone_wall": {
     "cobbleWall": {
       "north": true,
       "south": true,
       "west": true,
       "east": true
     }
   },
-  "mossy_cobblestone_wall[east=false,north=false,south=false,up=true,waterlogged=false,west=false]": {
+  "mossy_cobblestone_wall": {
     "cobbleWall": {
       "north": true,
       "south": true,