Fix Travis build matrix

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

.travis.yml

@@ -123,14 +123,3 @@ script:
   # Upload the nightly to ftp server
   - if [[ "$NIGHTLY" = "TRUE" ]]; then curl --ftp-create-dirs -T /home/travis/build/nextcloud/core/apps/mail/build/artifacts/mail.tar.gz -u $FTP_LOGIN:$FTP_PW ftp://upload.portknox.de/htdocs/mail/nextcloud_mail_nightly_build_$(date +%Y-%m-%d).tar.gz; fi
 
-matrix:
-  include:
-    - php: 7.0
-      env: "DB=mysql CORE_BRANCH=master TEST_JS=TRUE"
-    - php: 7.2
-      env: "DB=mysql CORE_BRANCH=stable14"
-    - php: 7.1
-      env: "DB=mysql CORE_BRANCH=master PACKAGE=TRUE"
-    - php: 7.1
-      env: "DB=pgsql PHP_COVERAGE=TRUE"
-  fast_finish: true