Fixed some warnings.

src/main/java/com/sk89q/worldedit/MaxBrushRadiusException.java

@@ -6,5 +6,5 @@ package com.sk89q.worldedit;
  *
  */
 public class MaxBrushRadiusException extends MaxRadiusException {
-
+    private static final long serialVersionUID = 1L;
 }

src/main/java/com/sk89q/worldedit/commands/BrushCommands.java

@@ -73,8 +73,6 @@ public class BrushCommands {
     @CommandPermissions("worldedit.brush.sphere")
     public void sphereBrush(CommandContext args, LocalSession session,
             LocalPlayer player, EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         double radius = args.argsLength() > 1 ? args.getDouble(1) : 2;
         we.checkMaxBrushRadius(radius);
@@ -108,8 +106,6 @@ public class BrushCommands {
     @CommandPermissions("worldedit.brush.cylinder")
     public void cylinderBrush(CommandContext args, LocalSession session,
             LocalPlayer player, EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         double radius = args.argsLength() > 1 ? args.getDouble(1) : 2;
         we.checkMaxBrushRadius(radius);
@@ -146,8 +142,6 @@ public class BrushCommands {
     @CommandPermissions("worldedit.brush.clipboard")
     public void clipboardBrush(CommandContext args, LocalSession session,
             LocalPlayer player, EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         CuboidClipboard clipboard = session.getClipboard();
 
@@ -182,8 +176,6 @@ public class BrushCommands {
     @CommandPermissions("worldedit.brush.smooth")
     public void smoothBrush(CommandContext args, LocalSession session,
             LocalPlayer player, EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         double radius = args.argsLength() > 0 ? args.getDouble(0) : 2;
         we.checkMaxBrushRadius(radius);
@@ -208,8 +200,6 @@ public class BrushCommands {
     @CommandPermissions("worldedit.brush.ex")
     public void extinguishBrush(CommandContext args, LocalSession session,
             LocalPlayer player, EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         double radius = args.argsLength() > 1 ? args.getDouble(1) : 5;
         we.checkMaxBrushRadius(radius);
@@ -241,8 +231,6 @@ public class BrushCommands {
     public void gravityBrush(CommandContext args, LocalSession session,
                                 LocalPlayer player, EditSession editSession) throws WorldEditException {
 
-        LocalConfiguration config = we.getConfiguration();
-
         double radius = args.argsLength() > 0 ? args.getDouble(0) : 5;
         we.checkMaxBrushRadius(radius);
 

src/main/java/com/sk89q/worldedit/commands/ToolUtilCommands.java

@@ -148,8 +148,6 @@ public class ToolUtilCommands {
     @CommandPermissions("worldedit.brush.options.size")
     public void size(CommandContext args, LocalSession session, LocalPlayer player,
             EditSession editSession) throws WorldEditException {
-        
-        LocalConfiguration config = we.getConfiguration();
 
         int radius = args.getInteger(0);
         we.checkMaxBrushRadius(radius);