fix: refix a bug in remove config

luminol-server/paper-patches/files/src/main/java/me/earthme/luminol/config/LuminolConfig.java.patch

@@ -1,6 +1,6 @@
 --- /dev/null
 +++ b/src/main/java/me/earthme/luminol/config/LuminolConfig.java
-@@ -1,0 +_,379 @@
+@@ -1,0 +_,382 @@
 +package me.earthme.luminol.config;
 +
 +import com.electronwill.nightconfig.core.UnmodifiableConfig;
@@ -167,7 +167,10 @@
 +                            if (!removed && configFileInstance.get(fullConfigKeyName) != null) break;
 +                        }
 +                    }
-+                    if (removed) continue;
++                    if (removed) {
++                        configFileInstance.remove("removed");
++                        continue;
++                    }
 +                    if (configFileInstance.get(fullConfigKeyName) != null) continue;
 +                    if (currentValue == null) {
 +                        throw new UnsupportedOperationException("Config " + singleConfigModule.getBaseName() + "tried to add an null default value!");