travis: remove go1.6.x

spinlock · spinlock · commit c4ba666ae8cf · 2017-12-15T14:18:11.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,7 +8,6 @@ go:
     - 1.9.x
     - 1.8.x
     - 1.7.x
-    - 1.6.x
 
 script:
     - make

-Original file line number
+Diff line change
     - 1.9.x
     - 1.8.x
     - 1.7.x
 -    - 1.6.x
 script:
     - make