Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Upgrade bazlets to latest stable-3.0 to build with 3.0.11 API
  Remove the commented-out snapshot plugin api lines

Change-Id: I2eea586fa55887d158e6874143ee7a01e54fe82c

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 2eebcd6..ade133b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -12,8 +12,4 @@
     "gerrit_api",
 )
 
-# Load release Plugin API
 gerrit_api()
-
-# Load snapshot Plugin API
-#gerrit_api(version = "3.1.xy-SNAPSHOT")