Update file(s) from wp-cli/.github

Author: schlessera

.travis.yml

@@ -25,9 +25,6 @@ env:
     - PATH="$TRAVIS_BUILD_DIR/vendor/bin:$PATH"
     - WP_CLI_BIN_DIR="$TRAVIS_BUILD_DIR/vendor/bin"
 
-services:
-  - mysql
-
 before_install:
   - |
     # Remove Xdebug for a huge performance increase:
@@ -81,7 +78,3 @@ jobs:
     - stage: test
       php: 5.6
       env: WP_VERSION=trunk
-    - stage: test
-      dist: precise
-      php: 5.4
-      env: WP_VERSION=5.1