Removed if clauses

It was functionally equivalent to the solution proposed in #1072

src/main/java/carpet/helpers/EntityPlayerActionPack.java

@@ -237,14 +237,9 @@ public class EntityPlayerActionPack
                 }
             }
         }
-        if (forward != 0.0F)
-        {
-            player.zza = forward*(sneaking?0.3F:1.0F);
-        }
-        if (strafing != 0.0F)
-        {
-            player.xxa = strafing*(sneaking?0.3F:1.0F);
-        }
+        float vel = sneaking?0.3F:1.0F;
+        player.zza = forward*vel;
+        player.xxa = strafing*vel;
     }
 
     static HitResult getTarget(ServerPlayer player)