Removed commented out issue in the playground as it is no longer an issue.

Issue is no longer visible in Xcode 6.3.1.

Alamofire.playground/section-1.swift

@@ -11,17 +11,3 @@ Alamofire.request(.GET, "http://httpbin.org/get", parameters: ["foo": "bar"])
             println(response)
             println(string)
          }
-
-/*
-[BUG] In Xcode 6.0.1, execution fails with the following error:
-
-IDEPlaygroundExecution: Playground execution failed: error: Couldn't lookup symbols:
-__TWPSS9Alamofire20URLStringConvertible
-__TF9Alamofire7requestFTOS_6MethodPS_20URLStringConvertible_10parametersGSqGVSs10DictionarySSPSs9AnyObject___8encodingOS_17ParameterEncoding_CS_7Request
-__TFO9Alamofire6Method3GETFMS0_S0_
-__TIF9Alamofire7requestFTOS_6MethodPS_20URLStringConvertible_10parametersGSqGVSs10DictionarySSPSs9AnyObject___8encodingOS_17ParameterEncoding_CS_7RequestA2_
-__TMaC9Alamofire7Request
-__TFC9Alamofire7Request14responseStringfDS0_FFTCSo12NSURLRequestGSqCSo17NSHTTPURLResponse_GSqSS_GSqCSo7NSError__T_DS0_
-
-If you have a proposed fix, please send a Pull Request: https://github.com/Alamofire/Alamofire/pulls
-*/