travis: temporarily disable ppc

The ppc machines use systemd, so starting xvfb  doesnt work

    +sh -e /etc/init.d/xvfb start
    sh: 0: Can't open /etc/init.d/xvfb

Temporarily disabling it for now

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

.travis.yml

@@ -7,7 +7,6 @@
   os:
     - linux
     - osx
-    - linux-ppc64le
   notifications:
     email: false
   go:
@@ -20,6 +19,6 @@
   before_script:
     - make deps
     - "export DISPLAY=:99.0"
-    - if [[ "$TRAVIS_OS_NAME" == "linux" && "$HOSTTYPE" != "ppc64le" ]]; then sh ci/before_script_linux.sh; fi
+    - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sh ci/before_script_linux.sh; fi
     - make validate
   script: make test