Removed outdated travisci file

.travis.yml

@@ -1,55 +0,0 @@
-arch:
-- amd64
-- arm64
-language: cpp
-os: linux
-dist: focal
-addons:
-    apt:
-        packages:
-        - build-essential
-        - cmake
-        - libboost-all-dev
-        - libconfig++-dev
-        - libavcodec-dev
-        - libavutil-dev
-        - libavformat-dev
-        - ffmpeg
-        - libstb-dev
-        - libtag1-dev
-        - libpam0g-dev
-        - libgraphicsmagick++1-dev
-        - libgtest-dev
-compiler:
-- clang
-- gcc
-before_install:
-- |
-    if [ ! -d ${HOME}/wt-${WT_VERSION}/include ]; then
-        git clone https://github.com/emweb/wt.git wt
-        cd wt
-        git checkout ${WT_VERSION}
-        cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${WT_INSTALL_PREFIX} -DBUILD_EXAMPLES=OFF -DENABLE_LIBWTTEST=OFF -DCONNECTOR_FCGI=OFF
-        make install
-        cd ..
-    fi
-script: mkdir build && cd build && cmake -DCMAKE_PREFIX_PATH=${WT_INSTALL_PREFIX} -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DUSE_PAM=${USE_PAM} -DIMAGE_LIBRARY=${IMAGE_LIBRARY} .. && make && make test
-cache:
-    directories:
-    - ${HOME}/wt-${WT_VERSION}
-env:
-    global:
-    - MAKEFLAGS="-j 2"
-    - WT_VERSION=4.5.0
-    - WT_INSTALL_PREFIX=${HOME}/wt-${WT_VERSION}
-    jobs:
-    - BUILD_TYPE=Release USE_PAM=ON IMAGE_LIBRARY=STB
-    - BUILD_TYPE=Release USE_PAM=OFF IMAGE_LIBRARY=STB
-    - BUILD_TYPE=Release USE_PAM=OFF IMAGE_LIBRARY=GraphicsMagick++
-    - BUILD_TYPE=Debug USE_PAM=ON IMAGE_LIBRARY=STB
-
-# clang7 is not enough for full c++17 support
-jobs:
-    exclude:
-    - compiler: clang
-      arch: amd64