Remove unused gravatar member from Commit class

The gravatar member is being set, but is never used, and causes
a warning in Eclipse.

Remove it, and also the generateGravatar method which now becomes
unused.

Change-Id: I4359ace2ccaafa5185d7c84bcec09f11ebc64073
1 file changed
tree: 15176662b64ff9438c0ff95c06f67900d083c7a7
  1. src/
  2. .gitignore
  3. BUCK
  4. LICENSE
  5. pom.xml