Do not invoke rvm reset

Author: brammool

.travis.yml

@@ -77,7 +77,6 @@ addons:
       - cscope
 
 before_install:
-  - rvm reset
   - if [ "$COVERAGE" = "yes" ]; then pip install --user cpp-coveralls; fi
     # needed for https support for coveralls
     # building cffi only works with gcc, not with clang