Update stuff from peer review

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/FixedRegionSystem.java

@@ -79,9 +79,4 @@ public class FixedRegionSystem implements RegionSystem {
     public Stream<Region> getRegions() {
         return REGION_MAP.values().stream();
     }
-
-    @Override
-    public boolean isModular() {
-        return false;
-    }
 }

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/fixed/FixedGlobalRegion.java

@@ -90,7 +90,7 @@ public final class FixedGlobalRegion implements Region {
         }
     };
 
-    private static final RegionConfig GLOBAL_CONFIG = new RegionConfig(null);
+    private static final GameModeConfig GLOBAL_CONFIG = new GameModeConfig(null);
 
     private FixedGlobalRegion() {
     }
@@ -126,7 +126,7 @@ public final class FixedGlobalRegion implements Region {
     }
 
     @Override
-    public @NonNull RegionConfig getGameModeConfig() {
+    public @NonNull GameModeConfig getGameModeConfig() {
         return GLOBAL_CONFIG;
     }
 

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/fixed/FixedRegion.java

@@ -56,7 +56,7 @@ public class FixedRegion implements Region {
     private final Area testblock;
     private final int floorLevel;
     private final int waterLevel;
-    private final RegionConfig regionConfig;
+    private final GameModeConfig gameModeConfig;
     private final RegionHistory regionHistory = new RegionHistory.Impl(20);
 
     private final RegionBackups regionBackups = new RegionBackups() {
@@ -336,7 +336,7 @@ public class FixedRegion implements Region {
                 break;
             }
         }
-        this.regionConfig = new RegionConfig(found);
+        this.gameModeConfig = new GameModeConfig(found);
     }
 
     @Override
@@ -370,8 +370,8 @@ public class FixedRegion implements Region {
     }
 
     @Override
-    public @NonNull RegionConfig getGameModeConfig() {
-        return regionConfig;
+    public @NonNull GameModeConfig getGameModeConfig() {
+        return gameModeConfig;
     }
 
     @Override