drop(phantomjs) not supported any more (#763)

.travis.yml

@@ -36,7 +36,6 @@ install:
   - if [ "$TRAVIS_OS_NAME" == 'linux' ]; then export DISPLAY=':99.0'; fi
   - if [ "$TRAVIS_OS_NAME" == 'linux' ]; then sh -e /etc/init.d/xvfb start; fi
 
-  - npm install phantomjs-prebuilt
   - npm --progress false --loglevel warn install
 
 script:

Dockerfile

@@ -36,7 +36,6 @@ WORKDIR /wechaty
 COPY package.json .
 RUN  sed -i '/chromedriver/d' package.json \
   && npm --silent --progress=false install > /dev/null \
-  && npm --silent --progress=false install phantomjs-prebuilt > /dev/null \
   && rm -fr /tmp/* ~/.npm
 
 # Loading from node_modules Folders: https://nodejs.org/api/modules.html

appveyor.yml

@@ -15,7 +15,6 @@ install:
   - choco install jq
   # install modules
   - npm --progress=false install > nul 2>&1
-  - npm --progress=false install phantomjs-prebuilt > nul 2>&1
 
 # Post-install test scripts.
 test_script:

package.json

@@ -33,7 +33,6 @@
     "sloc": "sloc bin example src test index.ts --details --format cli-table --keys total,source,comment && sloc bin example src test index.ts",
     "test": "npm run test:chrome",
     "posttest": "npm run clean && npm run sloc",
-    "test:phantomjs": "cross-env LC_ALL=C WECHATY_HEAD=phantomjs ava --verbose --fail-fast --serial --timeout=5m \"dist/{src,test}/**/*.spec.js\"",
     "test:chrome": "cross-env LC_ALL=C WECHATY_HEAD=chrome ava --serial --fail-fast --verbose --timeout=5m \"dist/{src,test}/**/*.spec.js\"",
     "test:bug": "cross-env LC_ALL=C WECHATY_HEAD=chrome WECHATY_LOG=silly ava --serial --fail-fast --verbose --timeout=5m \"dist/src/message.spec.js\"",
     "test:chrome:fast": "cross-env LC_ALL=C WECHATY_HEAD=chrome ava --concurrency 5 --fail-fast --timeout=5m \"dist/{src,test}/**/*.spec.js\"",