Fix warnings

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

@@ -19,8 +19,6 @@
 
 package com.sk89q.worldedit.commands;
 
-import java.io.File;
-import java.io.IOException;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
@@ -31,7 +29,6 @@ import com.sk89q.minecraft.util.commands.NestedCommand;
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BaseBlock;
 import com.sk89q.worldedit.blocks.BlockID;
-import com.sk89q.worldedit.data.DataException;
 import com.sk89q.worldedit.regions.Region;
 
 /**

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

@@ -237,6 +237,7 @@ public class GenerationCommands {
     )
     @CommandPermissions("worldedit.generation.forest")
     @Logging(POSITION)
+    @SuppressWarnings("deprecation")
     public void forestGen(CommandContext args, LocalSession session, LocalPlayer player,
             EditSession editSession) throws WorldEditException {
         

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

@@ -75,6 +75,7 @@ public class ToolCommands {
         max = 1
     )
     @CommandPermissions("worldedit.tool.tree")
+    @SuppressWarnings("deprecation")
     public void tree(CommandContext args, LocalSession session, LocalPlayer player,
             EditSession editSession) throws WorldEditException {