[FAB-7394] Remove duplicate code from msp setup

The setupCAs function includes the code that is
actually properly run in the setupAdmins function.

Change-Id: I62d1729912ce52092ada3cdbb3fe7ca21b65be4c
Signed-off-by: Gari Singh <gari.r.singh@gmail.com>

msp/mspimplsetup.go

@@ -158,17 +158,6 @@ func (msp *bccspmsp) setupCAs(conf *m.FabricMSPConfig) error {
 		msp.opts.Intermediates.AddCert(id.(*identity).cert)
 	}
 
-	// make and fill the set of admin certs (if present)
-	msp.admins = make([]Identity, len(conf.Admins))
-	for i, admCert := range conf.Admins {
-		id, _, err := msp.getIdentityFromConf(admCert)
-		if err != nil {
-			return err
-		}
-
-		msp.admins[i] = id
-	}
-
 	return nil
 }