Removing some of the RELAP-7 friend classes
Removing some of the RELAP-7 friend classes

We can easily remove those 2 classes now, because we do not need them to
be friends any more.

Refs #4606

sapitts/moose,idaholab/moose,idaholab/moose,bwspenc/moose,friedmud/moose,backmari/moose,Chuban/moose,bwspenc/moose,bwspenc/moose,stimpsonsg/moose,milljm/moose,sapitts/moose,jessecarterMOOSE/moose,permcody/moose,idaholab/moose,andrsd/moose,andrsd/moose,sapitts/moose,backmari/moose,yipenggao/moose,milljm/moose,idaholab/moose,stimpsonsg/moose,sapitts/moose,lindsayad/moose,dschwen/moose,YaqiWang/moose,SudiptaBiswas/moose,nuclear-wizard/moose,nuclear-wizard/moose,laagesen/moose,liuwenf/moose,harterj/moose,permcody/moose,liuwenf/moose,andrsd/moose,yipenggao/moose,andrsd/moose,idaholab/moose,dschwen/moose,jessecarterMOOSE/moose,yipenggao/moose,Chuban/moose,lindsayad/moose,YaqiWang/moose,dschwen/moose,sapitts/moose,jessecarterMOOSE/moose,liuwenf/moose,dschwen/moose,bwspenc/moose,andrsd/moose,dschwen/moose,bwspenc/moose,lindsayad/moose,liuwenf/moose,nuclear-wizard/moose,SudiptaBiswas/moose,laagesen/moose,liuwenf/moose,liuwenf/moose,lindsayad/moose,SudiptaBiswas/moose,stimpsonsg/moose,Chuban/moose,harterj/moose,backmari/moose,jessecarterMOOSE/moose,YaqiWang/moose,stimpsonsg/moose,yipenggao/moose,laagesen/moose,harterj/moose,friedmud/moose,harterj/moose,nuclear-wizard/moose,laagesen/moose,Chuban/moose,SudiptaBiswas/moose,milljm/moose,permcody/moose,laagesen/moose,YaqiWang/moose,milljm/moose,harterj/moose,SudiptaBiswas/moose,milljm/moose,lindsayad/moose,friedmud/moose,permcody/moose,backmari/moose,jessecarterMOOSE/moose,friedmud/moose