remove unused script

Signed-off-by: rozklad <jan.rozklad@gmail.com>

Author: rozklad

php/.travis.yml

@@ -5,7 +5,6 @@ php:
   - 7.2
   - 7.3
   - 7.4
-  - hhvm
 
 ## Cache composer
 cache:
@@ -22,7 +21,6 @@ before_script:
 
 script:
   - vendor/bin/phpcs --standard=psr2 src/
-  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_script:
   - |