performance increase patch

BlockGenericPipe.patch

diff --git a/buildcraft/common/net/minecraft/src/buildcraft/transport/BlockGenericPipe.java b/buildcraft/common/net/minecraft/src/buildcraft/transport/BlockGenericPipe.java
index 966b2bb..1101ecc 100755
--- a/buildcraft/common/net/minecraft/src/buildcraft/transport/BlockGenericPipe.java
+++ b/buildcraft/common/net/minecraft/src/buildcraft/transport/BlockGenericPipe.java
@@ -367,17 +367,10 @@ public class BlockGenericPipe extends BlockContainer implements
 	public static Pipe getPipe (IBlockAccess blockAccess, int i, int j, int k) {
 		TileEntity tile = blockAccess.getBlockTileEntity(i, j, k);		
 		
-		Pipe pipe = null;
+		if (tile instanceof TileGenericPipe)
+			return ((TileGenericPipe) tile).pipe;
 		
-		if (tile instanceof TileGenericPipe) {
-			pipe = ((TileGenericPipe) tile).pipe;
-		}
-		
-		if (pipe == null) {
-			pipe = pipeBuffer.get(new BlockIndex(i, j, k));
-		}
-		
-		return pipe;
+		return null;
 	}	
 	
 	public static boolean isValid (Pipe pipe) {