remove precise ppa

doxygen has sufficient minimum version in trusty
qgis · Jun 13, 2017 · b6e75be · b6e75be
1 parent da0d923
commit b6e75be
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -52,7 +52,6 @@ matrix:
       addons:
         apt:
           sources:
-            - george-edison55-precise-backports # doxygen 1.8.3
             - sourceline: 'ppa:jonathonf/backports'  # silversearcher-ag backport
           packages:
             - doxygen