Remove build82-a4 from the tryserver
Remove build82-a4 from the tryserver

BUG=395099
R=lliabraa
TBR=iannucci

Review URL: https://codereview.chromium.org/407583003

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@284150 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build