remove pointless note

Author: tariqkurd-repo

src/cheri-pte-ext.adoc

@@ -204,8 +204,6 @@ When V=1 <<vsstatusreg_pte,vsstatus>>.UCRG is in effect.
 
 <<mstatusreg_pte,mstatus>>.UCRG also exists. Reading or writing it is equivalent to reading or writing <<sstatusreg_pte,sstatus>>.UCRG.
 
-NOTE: <<sstatusreg_pte,sstatus>> is required to be a subset of <<mstatusreg_pte,mstatus>>, therefore UCRG is included in both.
-
 
 [#mstatusreg_pte]
 .Virtual Supervisor-mode status (*mstatus*) register when MXLEN=64