Bug 1388483 - enable mochitest on windows 10. r=Callek

MozReview-Commit-ID: AmL8qbeLL1r

taskcluster/ci/test/test-sets.yml

@@ -256,7 +256,6 @@ android-x86-tests:
     - xpcshell
 
 windows8-tests:
-    - mochitest
     - mochitest-browser-chrome
     - mochitest-devtools-chrome
     - mochitest-media

taskcluster/ci/test/tests.yml

@@ -445,15 +445,7 @@ mochitest:
     allow-software-gl-layers: false
     run-on-projects:
         by-test-platform:
-            # Deactivate try on Buildbot, by default. We don't have enough machines
-            windows8-64.*: ['mozilla-release', 'mozilla-beta', 'mozilla-central', 'mozilla-inbound', 'autoland']
-            windows8-64-devedition/opt: built-projects  # No dev edition outside of supported branches
-            windows10.*: []
             default: built-projects
-    worker-type:
-        by-test-platform:
-            windows8-64.*: buildbot-bridge/buildbot-bridge
-            default: null
     mozharness:
         by-test-platform:
             android.*: