Moved EFlowEquationType to FlowModel
Moved EFlowEquationType to FlowModel

Refs idaholab/relap-7#19688
milljm/moose,laagesen/moose,harterj/moose,bwspenc/moose,lindsayad/moose,sapitts/moose,bwspenc/moose,lindsayad/moose,milljm/moose,harterj/moose,bwspenc/moose,milljm/moose,laagesen/moose,bwspenc/moose,dschwen/moose,milljm/moose,andrsd/moose,idaholab/moose,dschwen/moose,harterj/moose,dschwen/moose,lindsayad/moose,jessecarterMOOSE/moose,idaholab/moose,andrsd/moose,idaholab/moose,idaholab/moose,dschwen/moose,jessecarterMOOSE/moose,lindsayad/moose,laagesen/moose,sapitts/moose,dschwen/moose,andrsd/moose,andrsd/moose,jessecarterMOOSE/moose,laagesen/moose,sapitts/moose,laagesen/moose,lindsayad/moose,idaholab/moose,jessecarterMOOSE/moose,harterj/moose,sapitts/moose,andrsd/moose,bwspenc/moose,harterj/moose,sapitts/moose,jessecarterMOOSE/moose,milljm/moose