Remove excess trailing &&

Author: CAD97

.travis.yml

@@ -24,7 +24,7 @@ before_script:
     brew install python3 &&
     virtualenv env -p python3 &&
     source env/bin/activate &&
-    pip install 'travis-cargo<0.2' &&
+    pip install 'travis-cargo<0.2'
   else
     pip install 'travis-cargo<0.2' --user &&
     export PATH="$(python -m site --user-base)/bin:$PATH"