remove a couple unnecessary locks

db/repl/consensus.cpp

@@ -359,7 +359,6 @@ namespace mongo {
             multiCommand(electCmd, L);
 
             {
-                RSBase::lock lk(&rs);
                 for( list<Target>::iterator i = L.begin(); i != L.end(); i++ ) {
                     DEV log() << "replSet elect res: " << i->result.toString() << rsLog;
                     if( i->ok ) {

db/repl/health.cpp

@@ -346,10 +346,7 @@ namespace mongo {
     }
 
     const Member* ReplSetImpl::findById(unsigned id) const {
-        {
-            lock lk((RSBase*)this);
-            if( _self && id == _self->id() ) return _self;
-        }
+        if( _self && id == _self->id() ) return _self;
         
         for( Member *m = head(); m; m = m->next() )
             if( m->id() == id )