Don't clear danger-response.json on success.

Author: squarefrog

Sources/Runner/Commands/Runner.swift

@@ -187,7 +187,7 @@ func runDanger(logger: Logger) throws {
 
     // Clean up after ourselves
     try? fileManager.removeItem(atPath: dslJSONPath)
-    try? fileManager.removeItem(atPath: tmpPath)
+    try? fileManager.removeItem(atPath: tempDangerfilePath)
 
     // Return the same error code as the compilation
     exit(proc.terminationStatus)