Clean up codegen refs in build.gradle.
Clean up codegen refs in build.gradle.

kidaa/aurora,protochron/aurora,apache/aurora,rosmo/aurora,thinker0/aurora,rdelval/aurora,shahankhatch/aurora,rdelval/aurora,shahankhatch/aurora,crashlytics/aurora,mkhutornenko/incubator-aurora,mschenck/aurora,mkhutornenko/incubator-aurora,shahankhatch/aurora,rosmo/aurora,kidaa/aurora,apache/aurora,mkhutornenko/incubator-aurora,thinker0/aurora,rdelval/aurora,rosmo/aurora,crashlytics/aurora,medallia/aurora,kidaa/aurora,thinker0/aurora,protochron/aurora,kidaa/aurora,rosmo/aurora,shahankhatch/aurora,medallia/aurora,wfarner/aurora,mschenck/aurora,medallia/aurora,rdelval/aurora,apache/aurora,thinker0/aurora,thinker0/aurora,kidaa/aurora,protochron/aurora,wfarner/aurora,wfarner/aurora,protochron/aurora,rosmo/aurora,shahankhatch/aurora,wfarner/aurora,medallia/aurora,wfarner/aurora,thinker0/aurora,mkhutornenko/incubator-aurora,wfarner/aurora,medallia/aurora,protochron/aurora,shahankhatch/aurora,mschenck/aurora,mschenck/aurora,rdelval/aurora,crashlytics/aurora,crashlytics/aurora,apache/aurora,mschenck/aurora,mschenck/aurora,crashlytics/aurora,protochron/aurora,rdelval/aurora,kidaa/aurora,mkhutornenko/incubator-aurora,crashlytics/aurora,apache/aurora,apache/aurora,rosmo/aurora,medallia/aurora