Remove the 'codeclimate/php-test-reporter' package

Because it's DEPRECATED and doesn't support PHP >= 7.1

Reference: codeclimate/php-test-reporter#135

Author: tortuetorche

composer.json

@@ -29,8 +29,7 @@
     "require-dev": {
         "phpunit/phpunit": "^4.8",
         "mockery/mockery": "^0.9.4",
-        "gecko-packages/gecko-memcache-mock": "^1.0",
-        "codeclimate/php-test-reporter": "^0.4.2"
+        "gecko-packages/gecko-memcache-mock": "^1.0"
     },
     "extra": {
         "laravel": {