Remove references to bogus SCOPE compile time var

Author: Jan-Olof Hendig

doc/Language/variables.pod6

@@ -1044,10 +1044,9 @@ for '.' {
 
 Other compile-time variables:
 
-X<|$?SCOPE>X<|$?PACKAGE>X<|$?MODULE>X<|$?CLASS>X<|$?ROLE>X<|$?GRAMMAR>X<|$?TABSTOP>X<|$?USAGE>X<|$?ENC>
+X<|$?PACKAGE>X<|$?MODULE>X<|$?CLASS>X<|$?ROLE>X<|$?GRAMMAR>X<|$?TABSTOP>X<|$?USAGE>X<|$?ENC>
 
 =for table
-    $?SCOPE     Which lexical scope am I in?
     $?PACKAGE   Which package am I in?
     $?MODULE    Which module am I in?
     $?CLASS     Which class am I in? (as variable)