Remove a stale LSan suppression.

The leak no longer reproduces.

BUG=285174
TBR=danakj@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/358133004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282047 0039d316-1c4b-4281-b951-d872f2087c98

tools/lsan/suppressions.txt

@@ -70,10 +70,6 @@ leak:content::RenderViewImplTest_DecideNavigationPolicyForWebUI_Test::TestBody
 # Small test-only leak in ppapi_unittests. http://crbug.com/258113
 leak:ppapi::proxy::PPP_Instance_Private_ProxyTest_PPPInstancePrivate_Test
 
-# Leak in cc_unittests. http://crbug.com/285174
-leak:gpu::gles2::GLES2DecoderImpl::DoBindRenderbuffer
-leak:gpu::gles2::GLES2DecoderImpl::DoRenderbufferStorage
-
 # http://crbug.com/318221
 leak:base::EnsureProcessTerminated