Delete dependency on git repo

Author: sogaani

.eslintignore

@@ -1,2 +1,3 @@
 coverage
 node_modules
+/test/support/supertest/http2wrapper.js

.travis.yml

@@ -17,7 +17,6 @@ before_install:
   # Setup Node.js version-specific dependencies
   - "test $TRAVIS_NODE_VERSION != '0.8' || npm rm --save-dev istanbul"
   - "test $(echo $TRAVIS_NODE_VERSION | cut -d. -f1) -ge 4 || npm rm --save-dev eslint"
-  - "test -z $(echo $HTTP2_TEST) || npm install --only=dev https://github.com/sogaani/express.git#initial-support-http2 https://github.com/sogaani/supertest.git#http2"
   # Update Node.js modules
   - "test ! -d node_modules || npm prune"
   - "test ! -d node_modules || npm rebuild"
@@ -30,7 +29,5 @@ after_script:
   - "test -e ./coverage/lcov.info && npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"
 matrix:
   include:
-    - node_js: "8.11"
-      env: HTTP2_TEST=1
-    - node_js: "10.7"
+    - node_js: "10"
       env: HTTP2_TEST=1