Also remove ext-redis and ext-igbinary

Author: Willem Stuursma

.travis.yml

@@ -34,7 +34,6 @@ matrix:
 before_install:
   - sudo apt-get update
   - pecl update-channels
-  - yes | pecl install -f igbinary redis
   - phpenv config-add tests/php-travis.ini
   - redis-server --port 63791 &
   - redis-server --port 63792 &

composer.json

@@ -46,12 +46,10 @@
         "psr/log": "^1"
     },
     "require-dev": {
-        "ext-igbinary": "*",
         "ext-memcached": "*",
         "ext-pcntl": "*",
         "ext-pdo_mysql": "*",
         "ext-pdo_sqlite": "*",
-        "ext-redis": "*",
         "ext-sysvsem": "*",
         "eloquent/liberator": "^2.0",
         "friendsofphp/php-cs-fixer": "^2.14",