Backed out changeset 2b47950ed3a1 (bug 1640105) for websocket related mochitest failures a=backout

taskcluster/ci/config.yml

@@ -55,8 +55,6 @@ treeherder:
         'M-gli': 'Mochitests with WebGL over IPC'
         'M-spi': 'Mochitests with socket process'
         'M-spi-1proc': 'Mochitests with socket process without e10s'
-        'M-spi-nw': 'Mochitests with networking on socket process'
-        'M-spi-nw-1proc': 'Mochitests with networking on socket process without e10s'
         'M-V-1proc': 'Mochitests on Valgrind without e10s'
         'MSI': 'Repack installers into MSIs'
         'MSIs': 'Signing of Repacked installers of MSIs'

taskcluster/ci/test/mochitest.yml

@@ -12,7 +12,7 @@ job-defaults:
             default: null
     variants:
         by-test-platform:
-            linux.*64/debug: ['fission', 'socketprocess_networking']
+            linux.*64/debug: ['fission']
             default: ['fission']
     run-on-projects: built-projects
     fission-run-on-projects: