Removed pre-installed opencv and several CI jobs

Author: Simon Hofmann

.travis.yml

@@ -49,10 +49,6 @@ matrix:
       env:
         - BUILD_TASK=test
           TAG=3.4.6-contrib-node10
-    - os: linux
-      env:
-        - BUILD_TASK=cover
-          TAG=3.4.6-contrib-node11
     - os: linux
       node_js: '6'
       env:
@@ -105,9 +101,7 @@ matrix:
 before_install:
   - chmod +x ./ci/$BUILD_TASK/$BUILD_TASK.sh;
 
-install:
-  - if [[ "$TRAVIS_OS_NAME" == "linux" && $TAG != "" ]]; then travis_wait 30 docker pull justadudewhohacks/opencv4nodejs-ci:$TAG; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install opencv@3; brew link --force opencv@3; fi
+install: true
 
 script:
   - if [[ $BUILD_TASK != "prebuild" ]]; then

appveyor.yml

@@ -49,7 +49,7 @@ environment:
       OPENCV4NODEJS_DISABLE_AUTOBUILD: 1
 
 install:
-  - cmd: choco install OpenCV -y -version %OPENCV_VERSION%
+  # - cmd: choco install OpenCV -y -version %OPENCV_VERSION%
   - IF EXIST c:\tools\opencv* CD c:\tools\opencv*
   - SET OPENCV_INCLUDE_DIR=%CD%\build\include
   - SET OPENCV_LIB_DIR=%CD%\build\x64\vc14\lib