Remove unused import

* This isn't used yet, and it also breaks the build.

Change-Id: I2ba0bae133b8fcc89a745f286cde43dd320a2096
Merge remote-tracking branch 'koush/master' into cm-11.0
Merge branch 'master' of https://github.com/koush/AndroidAsync

# By Ethan Chen
# Via Ethan Chen (1) and Koushik Dutta (1)
* 'master' of https://github.com/koush/AndroidAsync:
  Remove unused import