zerg multiplier fix

src/engine/gameManager/ZergManager.java

@@ -9,7 +9,7 @@ public class ZergManager {
             return 1.0f;
 
         if(count > 6)
-            return 0.2f;
+            return 0.0f;
 
         switch(count){
             case 4:
@@ -32,7 +32,7 @@ public class ZergManager {
             return 1.0f;
 
         if(count > 10)
-            return 0.2f;
+            return 0.0f;
 
         switch(count){
             case 6:
@@ -61,7 +61,7 @@ public class ZergManager {
             return 1.0f;
 
         if(count > 20)
-            return 0.2f;
+            return 0.0f;
 
         switch(count){
             case 11: