Remove OSG 3.5 info from "Configuring XRootD Authorization" doc (SOFTWARE-5164)

Author: matyasselmeci

docs/data/xrootd/xrootd-authorization.md

@@ -1,5 +1,5 @@
 title: Configuring XRootD Authorization
-DateReviewed: 2021-11-12
+DateReviewed: 2022-05-06
 
 Configuring XRootD Authorization
 ================================
@@ -192,27 +192,6 @@ so if you are using the mappings provided in `/usr/share/osg/voms-mapfile-defaul
 you will have to copy them to `/etc/grid-security/voms-mapfile`.
 
 
-### Authenticating Proxies (deprecated) ###
-
-!!! info "OSG 3.5 end-of-life"
-    OSG 3.5 will reach its end-of-life in [May 2022](../../release/release_series.md#series-overviews).
-
-In [OSG 3.5](../../release/release_series.md#series-overviews), [LCMAPS](../../security/lcmaps-voms-authentication.md) is
-used to authenticate X.509 and VOMS proxies to usernames utilized by the
-[authorization database](#authorization-database).
-Perform the following instructions on all data nodes:
-
-1.  Install [CA certificates](../../common/ca.md#installing-ca-certificates) and 
-    [manage CRLs](../../common/ca.md#managing-certificate-revocation-lists)
-
-1.  Copy your host certificate and key to `/etc/grid-security/xrd/xrdcert.pem` and `/etc/grid-security/xrd/xrdkey.pem`,
-    respectively.
-
-1.  Configure the [LCMAPS VOMS plugin](../../security/lcmaps-voms-authentication.md)
-
-1.  Any subject DN or VOMS FQAN mappings from LCMAPS will result in usernames that can be used in the
-    [authorization database](#authorization-database).
-
 ### Authorization database ###
 
 XRootD allows configuring fine-grained file access permissions based on authenticated identities and paths.