Update .travis.yml

Author: janakarana

.travis.yml

@@ -50,11 +50,5 @@ deploy:
   provider: releases
   api_key: "GITHUB_OAUTH_TOKEN"
   skip_cleanup: true
-  if [ "$OS" = "linux" ]; then 
-     file: "MieSimulatorGUI*.AppImage";
-  fi
-  if [ "$OS" = "osx" ]; then 
-     file: "MieSimulatorGUI.app";
-  fi
   on:
     tags: true