drop unused valgrind package from installation

... and remove explicit gcc installation (will be installed with g++ automatically)

drop unused valgrind package from installation
beca85ff · Herbert Thielen · 7c6353d2 · beca85ff
Commit beca85ff authored Sep 05, 2017 by Herbert Thielen
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.travis.yml .travis.yml +0 -2

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--- a/.travis.yml
+++ b/.travis.yml
@@ -22,10 +22,8 @@ addons:
    - ubuntu-toolchain-r-test
    - llvm-toolchain-precise-3.7
    packages:
-    - gcc-4.9
    - g++-4.9
    - clang-3.7
-    - valgrind
 os:
  - linux
  - osx