Fix conflicting CCE

Author: jan-cerny

linux_os/guide/system/software/integrity/crypto/configure_custom_crypto_policy_cis_ssh_cbc/rule.yml

@@ -18,7 +18,7 @@ rationale: |-
 severity: medium
 
 identifiers:
-    cce@rhel8: CCE-86647-5
+    cce@rhel8: CCE-90149-6
     cce@rhel9: CCE-86648-3
     cce@rhel10: CCE-86650-9
 

shared/references/cce-redhat-avail.txt

@@ -2068,7 +2068,6 @@ CCE-90141-3
 CCE-90145-4
 CCE-90146-2
 CCE-90148-8
-CCE-90149-6
 CCE-90151-2
 CCE-90152-0
 CCE-90155-3