remove redundant imports

Author: rebornix

package.json

@@ -1,7 +1,7 @@
 {
 	"name": "Ruby",
 	"displayName": "Ruby",
-	"version": "0.1.3",
+	"version": "0.1.5",
 	"publisher": "rebornix",
 	"description": "Provides Ruby language and debugging support for Visual Studio Code",
 	"author": {

src/ruby.ts

@@ -4,8 +4,6 @@
 
 "use strict";
 
-import {DebugSession, InitializedEvent, TerminatedEvent, StoppedEvent, BreakpointEvent, OutputEvent, Thread, StackFrame, Scope, Source, Handles, Breakpoint} from 'vscode-debugadapter';
-import {DebugProtocol} from 'vscode-debugprotocol';
 import {basename, dirname} from 'path';
 import * as net from 'net';
 import * as childProcess from 'child_process';