[console] Remove unused symfony/expression-language package. (#3797)

Author: jmolivas

composer.json

@@ -49,7 +49,6 @@
         "psy/psysh": "0.6.* || ~0.8",
         "symfony/css-selector": "~2.8|~3.0",
         "symfony/dom-crawler": "~2.8|~3.0",
-        "symfony/expression-language": "~2.8|~3.0",
         "symfony/http-foundation": "~2.8|~3.0",
         "symfony/thanks": "^1.0"
     },