Fixed compile error

src/Discord.Net.Net45/Discord.Net.csproj

@@ -518,9 +518,6 @@
     <Compile Include="..\Discord.Net\Net\WebSockets\GatewaySocket.cs">
       <Link>Net\WebSockets\GatewaySocket.cs</Link>
     </Compile>
-    <Compile Include="..\Discord.Net\Net\WebSockets\GatewaySocket.Events.cs">
-      <Link>Net\WebSockets\GatewaySocket.Events.cs</Link>
-    </Compile>
     <Compile Include="..\Discord.Net\Net\WebSockets\IWebSocketEngine.cs">
       <Link>Net\WebSockets\IWebSocketEngine.cs</Link>
     </Compile>