move tab completion exploit fix to nexus

src/main/java/com/nexia/gatoanticheat/mixin/ServerGamePacketListenerMixin.java

@@ -61,36 +61,6 @@ public class ServerGamePacketListenerMixin {
         }
     }
 
-    @Unique private static final String[] ABUSABLE_SEQUENCES = { "@", "[", "nbt", "=", "{", "}", "]" };
-
-    @Inject(method = "handleCustomCommandSuggestions", at = @At("HEAD"), cancellable = true)
-    private void fixSuggestionsCrash(ServerboundCommandSuggestionPacket serverboundCommandSuggestionPacket, CallbackInfo ci) {
-        final String text = serverboundCommandSuggestionPacket.getCommand();
-        int length = text.length();
-
-        if(this.player.hasPermissions(2)) return;
-
-        if (length > 256) {
-            ci.cancel();
-            return;
-        }
-
-        if (length > 64) {
-            final int index = text.indexOf(' ');
-            if (index == -1 || index >= 64) {
-                ci.cancel();
-                return;
-            }
-        }
-
-        for (String sequence : ABUSABLE_SEQUENCES) {
-            if (text.contains(sequence)) {
-                ci.cancel();
-                return;
-            }
-        }
-    }
-
     // Thank you, our lord and saviour
     //   _____  _          _____            _
     // |  __ \(_)        / ____|          | |