Backed out changeset 8d1c2a892a7d (bug 1627319) for nu bustage on Frontend2.cpp CLOSED TREE

js/src/devtools/automation/variants/nonunified

@@ -1,9 +1,6 @@
 {
     "configure-args": "--enable-warnings-as-errors --enable-rust-simd",
     "debug": true,
-    "conditional-configure-args": {
-        "linux64": "--enable-smoosh"
-    },
     "skip-tests": {
         "all": ["jstests", "jittest", "checks"]
     }

taskcluster/ci/spidermonkey/linux.yml

@@ -216,12 +216,6 @@ sm-nonunified-linux64/debug:
         symbol: SM(nu)
     run:
         spidermonkey-variant: nonunified
-    fetches:
-        toolchain:
-            - linux64-clang
-            - linux64-gcc
-            - linux64-rust
-            - linux64-cbindgen
 
 sm-fuzzing-linux64/opt:
     description: "Spidermonkey Fuzzing"