Update filters documentation

Fixes: gh-5553

Author: Denis Babochenko

config/src/main/resources/org/springframework/security/config/spring-security-5.2.rnc

@@ -364,9 +364,6 @@ intercept-url.attlist &=
 	## The HTTP Method for which the access configuration attributes should apply. If not specified, the attributes will apply to any method.
 	attribute method {"GET" | "DELETE" | "HEAD" | "OPTIONS" | "POST" | "PUT" | "PATCH" | "TRACE"}?
 
-intercept-url.attlist &=
-	## The filter list for the path. Currently can be set to "none" to remove a path from having any filters applied. The full filter stack (consisting of all filters created by the namespace configuration, and any added using 'custom-filter'), will be applied to any other paths.
-	attribute filters {"none"}?
 intercept-url.attlist &=
 	## Used to specify that a URL must be accessed over http or https, or that there is no preference. The value should be "http", "https" or "any", respectively.
 	attribute requires-channel {xsd:token}?

config/src/main/resources/org/springframework/security/config/spring-security-5.2.xsd

@@ -1284,20 +1284,6 @@
             </xs:restriction>
          </xs:simpleType>
       </xs:attribute>
-      <xs:attribute name="filters">
-         <xs:annotation>
-            <xs:documentation>The filter list for the path. Currently can be set to "none" to remove a path from having
-                any filters applied. The full filter stack (consisting of all filters created by the
-                namespace configuration, and any added using 'custom-filter'), will be applied to any
-                other paths.
-                </xs:documentation>
-         </xs:annotation>
-         <xs:simpleType>
-            <xs:restriction base="xs:token">
-               <xs:enumeration value="none"/>
-            </xs:restriction>
-         </xs:simpleType>
-      </xs:attribute>
       <xs:attribute name="requires-channel" type="xs:token">
          <xs:annotation>
             <xs:documentation>Used to specify that a URL must be accessed over http or https, or that there is no

docs/manual/src/docs/asciidoc/_includes/servlet/appendix/namespace.adoc

@@ -950,15 +950,6 @@ Lists the access attributes which will be stored in the `FilterInvocationSecurit
 This should be a comma-separated list of the security configuration attributes (such as role names).
 
 
-[[nsa-intercept-url-filters]]
-* **filters**
-Can only take the value "none".
-This will cause any matching request to bypass the Spring Security filter chain entirely.
-None of the rest of the `<http>` configuration will have any effect on the request and there will be no security context available for its duration.
-Access to secured methods during the request will fail.
-
-NOTE: This property is invalid for <<nsa-filter-security-metadata-source,filter-security-metadata-source>>
-
 [[nsa-intercept-url-method]]
 * **method**
 The HTTP Method which will be used in combination with the pattern and servlet path (optional) to match an incoming request.