gitlab-ci: add a meson vulkan build

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>

.travis.yml

@@ -31,30 +31,6 @@ env:
 
 matrix:
   include:
-    - env:
-        - LABEL="meson Vulkan"
-        - BUILD=meson
-        - UNWIND="false"
-        - DRI_LOADERS="-Dglx=disabled -Dgbm=false -Degl=false -Dplatforms=x11,wayland,drm -Dosmesa=none"
-        - GALLIUM_ST="-Ddri3=true -Dgallium-vdpau=false -Dgallium-xvmc=false -Dgallium-omx=disabled -Dgallium-va=false -Dgallium-xa=false -Dgallium-nine=false -Dgallium-opencl=disabled"
-        - VULKAN_DRIVERS="intel,amd"
-        - LLVM_VERSION=7
-        - LLVM_CONFIG="llvm-config-${LLVM_VERSION}"
-      addons:
-        apt:
-          sources:
-            - sourceline: 'deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-7 main'
-              key_url: https://apt.llvm.org/llvm-snapshot.gpg.key
-          packages:
-            - llvm-7-dev
-            # Common
-            - xz-utils
-            - libexpat1-dev
-            - libx11-xcb-dev
-            - libelf-dev
-            - python3.5
-            - python3-pip
-            - python3-setuptools
     - env:
         - LABEL="meson loaders/classic DRI"
         - BUILD=meson