fix: relax on some commonly-used forbidden functions

Author: astratagem

Kleinweb/ruleset.xml

@@ -88,9 +88,7 @@ them to our own mu-plugin or standard library.
                 <element key="array_push" value="null"/>
                 <element key="compact" value="null"/>
                 <element key="create_function" value="null"/>
-                <element key="define" value="null"/>
                 <element key="die" value="null"/>
-                <element key="echo" value="null"/>
                 <element key="error_log" value="null"/>
                 <element key="eval" value="null"/>
                 <element key="exit" value="null"/>
@@ -106,8 +104,6 @@ them to our own mu-plugin or standard library.
                 <!-- Symfony helpers -->
                 <element key="dd" value="null"/>
                 <element key="dump" value="null"/>
-                <!-- Laravel helpers -->
-                <element key="env" value="null"/>
                 <!-- Type checking and converting function -->
                 <element key="boolval" value="(bool)"/>
                 <element key="doubleval" value="(float)"/>