Removed leaked GitHub access token from Travis configuration.

Author: RReverser

.travis.yml

@@ -19,7 +19,9 @@ env:
     TESTS=dart2js
   global:
   - CHROME_BIN=/usr/bin/google-chrome
-  - secure: "ZSUCLuDjvKEFmgjAd3GpUNCNkdjE66dEIiBfW+EfN0dv2+QHx/MHL4hRyKk2qbGjCr/suR9JWgmNE+Yu1A4fwzcYN52ehgyoLUCTL9YDk+XkFdFWpnjJ8364TDcDuJA0oxwcqJ9E3XUPv6sq1mbcX6DlkPKco7ZT8TLtGmd0nGA="
+  # https://github.com/angular/angular.dart/commit/40563c891ed63e86b72d160fcafc6bfda0d21577
+  # was good, but I'd recommend to regenerate leaked access token before
+  # someone would use it in name of evil
 
 # Don't test these branches.
 branches: