Interfaces now slow down with failed crafting attempts.

Cleanup of unneeded tracking of failed attempts of MultiCraftingTracker.
Followup of #1905

src/main/java/appeng/parts/automation/PartExportBus.java

@@ -176,13 +176,6 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 			// :P
 		}
 
-		final int failedAttempts = this.craftingTracker.getFailedCraftingAttempts();
-
-		if( this.isCraftingEnabled() && failedAttempts > 0 )
-		{
-			return this.getFailedCraftingPenalty( failedAttempts );
-		}
-
 		return this.didSomething ? TickRateModulation.FASTER : TickRateModulation.SLOWER;
 	}
 
@@ -387,18 +380,4 @@ public class PartExportBus extends PartSharedItemBus implements ICraftingRequest
 			this.nextSlot = ( this.nextSlot + x ) % this.availableSlots();
 		}
 	}
-
-	private TickRateModulation getFailedCraftingPenalty( final int failedAttempts )
-	{
-		if( failedAttempts > 5 )
-		{
-			return TickRateModulation.SLOWER;
-		}
-		else if( failedAttempts > 1 )
-		{
-			return TickRateModulation.SAME;
-		}
-
-		return TickRateModulation.FASTER;
-	}
 }