_include: Remove the ini_set call.
_include: Remove the ini_set call.

This hasn't been required in a long time, and any external code
depending on it should have been fixed.

sitya/saml2,simplesamlphp/saml2,ArtemTeleshev/php-saml2,madmatt/saml2,newmen/saml2,cb8/saml2,sgomez/saml2