Backed out changeset 48299b6e8832 (bug 1403484) for breaking gecko decision task. r=backout on a CLOSED TREE

taskcluster/ci/test/tests.yml

@@ -909,12 +909,11 @@ mochitest-webgl:
     virtualization: virtual-with-gpu
     worker-type:
         by-test-platform:
-            windows10-64.*/debug: buildbot-bridge/buildbot-bridge
+            windows10-64.*: buildbot-bridge/buildbot-bridge
             default: null
     chunks:
         by-test-platform:
             android.*: 10
-            windows.*: 8
             default: 3
     e10s:
         by-test-platform: