see 10/28 log

Blankj · Blankj · commit bce5bcda6666 · 2017-10-21T15:28:22.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,6 @@ android:
     - tools
     - build-tools-26.0.2
     - android-26
-    - extra-android-m2repository
 
   licenses:
     - 'android-sdk-license-.+'
