Travis CI: Drop installation of Clang 4

.. as trusty images come with Clang 5 out of the box by now.
2018-02-16 00:39:15 +01:00 · 2018-02-16 00:39:15 +01:00 · 7ac1ecfde1
commit 7ac1ecfde1
parent fa2f984d1c
1 changed files with 0 additions and 3 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -21,10 +21,7 @@ env:

 addons:
  apt:
-    sources:
-      - llvm-toolchain-trusty-4.0
    packages:
-      - clang-4.0
      - cmake
      - docbook2x
      - dos2unix