[FAB-15583] Fix Raft TLS client cert statement
[FAB-15583] Fix Raft TLS client cert statement

The docs wrongly state that the client TLS key cert pairs
are inherited from the general TLS section but that's not true.

Change-Id: Ie7a1bdec1ae6415b794b89df76a1be58d4573371
Signed-off-by: yacovm <632344b5da9bd743456189af4db4b56472defb8c@il.ibm.com>

manish-sethi/fabric-sidedb,muralisrini/fabric,muralisrini/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb,binhn/fabric,binhn/fabric,hyperledger/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,jimthematrix/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,binhn/fabric,stemlending/fabric,manish-sethi/fabric,hyperledger/fabric,stemlending/fabric,stemlending/fabric