Update .travis.yml

Author: inkooboo

.travis.yml

@@ -19,18 +19,13 @@ install:
 
 script:
   - $CXX --version
-  - pwd
   - mkdir build
   - cd build
   - cmake -DCMAKE_BUILD_TYPE=Release ..
   - make VERBOSE=1
   - cd ..
 
 after_success:
-  - gcov --version
-  - gcov-5 --version
-  - lcov --version
-  - pwd
   - mkdir coverage
   - cd coverage
   - cmake DCMAKE_BUILD_TYPE=Debug -DCOVERAGE=yes ..