Update travis.yml

Author: lfabreges

.travis.yml

@@ -76,7 +76,6 @@ matrix:
         - adb shell input keyevent 82 &
       script:
         - cd demo
-        - tns build android
         - tns test android --emulator --justlaunch
     - os: osx
       osx_image: xcode10.0
@@ -113,5 +112,4 @@ matrix:
         - Xcode="10.0"
       script:
         - cd demo
-        - tns build ios
         - tns test ios --emulator --justlaunch