DELETEME: enabling wasm32-unknown build+test run as part of Travis to test this PR.

DO NOT LAND WITH THIS COMMIT.

Author: pnkfelix

.travis.yml

@@ -167,7 +167,6 @@ matrix:
     - env: IMAGE=i686-gnu-nopt
       if: branch = auto
     - env: IMAGE=wasm32-unknown
-      if: branch = auto
     - env: IMAGE=x86_64-gnu
       if: branch = auto
     - env: IMAGE=x86_64-gnu-full-bootstrap