Remove some redundant casts

Change-Id: I234d41cf734bb70a52aeb04359f21031f7d1d521
Reviewed-on: http://gerrit.dmdirc.com/3884
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

src/com/dmdirc/commandparser/commands/context/ChatCommandContext.java

@@ -24,7 +24,6 @@ package com.dmdirc.commandparser.commands.context;
 
 import com.dmdirc.FrameContainer;
 import com.dmdirc.MessageTarget;
-import com.dmdirc.Server;
 import com.dmdirc.commandparser.CommandInfo;
 
 /**
@@ -46,7 +45,7 @@ public class ChatCommandContext extends ServerCommandContext {
      */
     public ChatCommandContext(final FrameContainer source,
             final CommandInfo commandInfo, final MessageTarget chat) {
-        super(source, commandInfo, (Server) chat.getConnection());
+        super(source, commandInfo, chat.getConnection());
         this.chat = chat;
     }
 

src/com/dmdirc/commandparser/commands/server/OpenQuery.java

@@ -113,7 +113,7 @@ public class OpenQuery extends Command implements IntelligentCommand,
     public int getLineCount(final FrameContainer origin, final CommandArguments arguments) {
         if (arguments.getArguments().length >= 2) {
             final String target = arguments.getArguments()[0];
-            return ((Connection) origin.getConnection()).getWindowModel().getNumLines("PRIVMSG "
+            return origin.getConnection().getWindowModel().getNumLines("PRIVMSG "
                     + target + " :" + arguments.getArgumentsAsString(1));
         } else {
             return 1;