🚑 ❄ Fix copy pasta error

Jake Shadle · Jake Shadle · commit 3dbc1a9c80de · 2018-09-19T12:51:26.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -21,8 +21,3 @@ before_script:
 script:
   - |
       travis-cargo build
-
-env:
-  global:
-    # override the default `--features unstable` used for the nightly branch (optional)
-    - TRAVIS_CARGO_NIGHTLY_FEATURE=nightly
