remove travis-ci

.travis.yml

@@ -1,44 +0,0 @@
-language: cpp
-
-matrix:
-  include:
-    - os: linux
-      dist: precise
-      compiler: gcc
-      sudo: required
-    - os: linux
-      dist: precise
-      compiler: clang
-      sudo: required
-    - os: linux
-      dist: trusty
-      compiler: gcc
-      sudo: required
-    - os: linux
-      dist: trusty
-      compiler: clang
-      sudo: required
-    - os: linux
-      dist: xenial
-      compiler: gcc
-      sudo: required
-    - os: linux
-      dist: xenial
-      compiler: clang
-      sudo: required
-    - os: linux
-      dist: bionic
-      compiler: gcc
-      sudo: required
-    - os: linux
-      dist: bionic
-      compiler: clang
-      sudo: required
-
-script:
-  - sudo -E apt-get install fakeroot
-  - sudo -E make install-build-pkgs
-  - make -j$(($(nproc) + 1))
-  - make deb
-  - sudo -E dpkg -i ../*.deb
-  - mergerfs -v || true