ci: Remove travis builds

.travis.yml

@@ -1,109 +0,0 @@
-language: cpp
-
-git:
-  quiet: true
-  depth: 1
-
-env:
-  global:
-    - COMMON_CMAKE_OPTIONS="-DEXIV2_ENABLE_WEBREADY=ON -DEXIV2_ENABLE_CURL=ON -DEXIV2_BUILD_UNIT_TESTS=ON -DEXIV2_ENABLE_BMFF=ON -DEXIV2_TEAM_WARNINGS_AS_ERRORS=ON -DCMAKE_INSTALL_PREFIX=install -DCMAKE_CXX_FLAGS=\"-Wno-deprecated-declarations\""
-
-matrix:
-  include:
-    - name: "Ubuntu 18.04 - gcc-7.5 (Release)"
-      os: linux
-      dist: bionic
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Release"
-
-    - name: "Ubuntu 18.04 - gcc-7.5 (Debug)"
-      os: linux
-      dist: bionic
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Debug"
-
-    - name: "Ubuntu 20.04 - gcc-9.3 (Release)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Release"
-
-    - name: "Ubuntu 20.04 - gcc-9.3 (Debug)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Debug"
-
-    - name: "Ubuntu 20.04 - clang-7 (Release)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: clang
-      env:
-        - BUILD_TYPE="Release"
-
-    - name: "Ubuntu 20.04 - clang-7 (Debug)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: clang
-      env:
-        - BUILD_TYPE="Debug"
-
-    - name: "Ubuntu 20.04 - gcc-9.3 (Debug+Coverage)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Debug"
-        - WITH_COVERAGE=1
-
-    - name: "Ubuntu 20.04 - gcc-9.3 (Release+Valgrind)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Release"
-        - WITH_VALGRIND=1
-
-    - name: "Ubuntu 20.04 - gcc-9.3 (Release+Sanitizers)"
-      os: linux
-      dist: focal
-      sudo: required
-      compiler: gcc
-      env:
-        - BUILD_TYPE="Release"
-        - WITH_SANITIZERS=1
-
-    - name: "macOS 10.15.7 - XCode 12.2 (Release)"
-      os: osx
-      osx_image: xcode12.2
-      compiler: clang
-      env:
-        - BUILD_TYPE="Release"
-
-    - name: "macOS 10.15.7 - XCode 12.2 (Debug)"
-      os: osx
-      osx_image: xcode12.2
-      compiler: clang
-      env:
-        - BUILD_TYPE="Debug"
-
-install: ./ci/install.sh
-script:  ./ci/run.sh
-
-cache:
-    ccache: true
-    directories:
-    - conan         # Conan installation folder
-    - $HOME/conanData     # Conan storage location