[Travis] Swap to sudo: false

.travis.yml

@@ -8,7 +8,8 @@ os:
   - linux
   # - osx
 
-sudo: required
+sudo: false
+dist: trusty
 addons:
   apt:
     sources:
@@ -24,6 +25,8 @@ addons:
       - libglew-dev
       - libgtk-3-dev
       - libpthread-stubs0-dev
+      - libvulkan1
+      - libvulkan-dev
       - libx11-dev
       - liblz4-dev
 
@@ -43,10 +46,6 @@ before_script:
   # Dump useful info.
   - $CXX --version
   - python3 --version
-  # Add Vulkan dependencies
-  - travis_retry wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan1_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb
-  - travis_retry wget http://mirrors.kernel.org/ubuntu/pool/universe/v/vulkan/libvulkan-dev_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb
-  - sudo dpkg -i libvulkan1_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb libvulkan-dev_1.0.42.0+dfsg1-1ubuntu1~16.04.1_amd64.deb
   # Prepare environment (pull dependencies, build tools).
   - travis_retry ./xenia-build setup