Replaced black outline with shading.

These are made to fit with the new multihex mountains which will go in
later.

Removed wrongly named trans, added the correct one.

data/terrain-graphics.cfg

@@ -312,10 +312,10 @@
 {TERRAIN_BASE_PROB            H snow-hills3         30}
 {TERRAIN_BASE_PROB            H snow-hills2         30}
 {TERRAIN_BASE                 H snow-hills}
-{TERRAIN_BASE_PROB            h hills-variation1    15}
-{TERRAIN_BASE_PROB            h hills-variation2    15}
-{TERRAIN_BASE_PROB            h hills-variation3    30}
-{TERRAIN_BASE                 h hills}
+{TERRAIN_BASE_PROB            h hills-variation1    33}
+{TERRAIN_BASE_PROB            h hills-variation2    33}
+{TERRAIN_BASE		      h hills-variation3}
+#{TERRAIN_BASE                 h hills}
 {TERRAIN_BASE_PROB            SF snow2 30}
 {TERRAIN_BASE_PROB            SF snow3 30}
 {TERRAIN_BASE                 SF snow}