Revert "remove pointless allocations"

This reverts commit 50fc20d.

This should go through a proper review instead of being pushed to master directly

Author: Glease

src/main/scala/extracells/gridblock/Constants.java

@@ -30,7 +30,7 @@ public final EnumSet<ForgeDirection> getConnectableSides() {
 
     @Override
     public EnumSet<GridFlags> getFlags() {
-        return Constants.BASE_GRID_FLAGS;
+        return EnumSet.of(GridFlags.REQUIRE_CHANNEL);
     }
 
     public IMEMonitor<IAEFluidStack> getFluidMonitor() {

src/main/scala/extracells/gridblock/ECBaseGridBlock.java

@@ -34,7 +34,7 @@ public final EnumSet<ForgeDirection> getConnectableSides() {
 
     @Override
     public EnumSet<GridFlags> getFlags() {
-        return Constants.BASE_GRID_FLAGS;
+        return EnumSet.of(GridFlags.REQUIRE_CHANNEL);
     }
 
     @Override