Fix broken documentation

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=131164881

CONTRIBUTING.md

@@ -9,10 +9,9 @@ Before filing a new issue, please search the tracker to check if it's already
 covered by an existing report. Avoiding duplicates helps us maximize the time we
 can spend fixing bugs and adding new features.
 
-If you're filing a bug, be sure to provide enough information for us to
-efficiently diagnose and reproduce the problem.
-[Reporting an issue](https://google.github.io/ExoPlayer/2015/10/01/reporting-issues.html)
-gives some examples of what to include.
+When filing an issue, be sure to provide enough information for us to
+efficiently diagnose and reproduce the problem. In particular, please include
+all of the information requested in the issue template.
 
 ## Pull requests ##