Removed support for PHP5.4 and 5.5.

This is no longer necessary as FuzeWorks simply doesn't support it anymore.

.gitlab-ci.yml

@@ -18,26 +18,6 @@ build:composer:
     paths:
     - vendor/
 
-test:5.4:
-  image: php:5.4
-  script:
-  - vendor/bin/phpunit -c tests/phpunit.xml --coverage-text
-  cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
-    paths:
-    - vendor/
-  allow_failure: true
-
-test:5.5:
-  image: php:5.5
-  script:
-  - vendor/bin/phpunit -c tests/phpunit.xml --coverage-text
-  cache:
-    key: "$CI_BUILD_REF/$CI_BUILD_REF_NAME"
-    paths:
-    - vendor/
-  allow_failure: true
-
 test:5.6:
   stage: test
   image: php:5.6