.travis.yml in genevalidator-1.5.6 vs .travis.yml in genevalidator-1.6.0

@@ -8,10 +8,9 @@
   - tar -zxvf ~/mafft-7.205-with-extensions-src.tgz -C ~
   - mkdir ~/mafft
   - ruby -pi -e "gsub(/^PREFIX = \/usr\/local/, 'PREFIX = ~/mafft/')" ~/mafft-7.205-with-extensions/core/Makefile
   - (cd ~/mafft-7.205-with-extensions/core/ && make clean && make && make install)
   - export PATH=$PATH:~/mafft/bin
-  - sudo apt-get install -y libgsl0-dev
 script: bundle exec rake test
 addons:
   code_climate:
     repo_token: 2177997ae2dd26804c32e1ec34a2221f94b71a2170f6c1db2c020f8858cd87f2