don't print subsequent runs while running ./start.R --gamscompile

[orichters]

Purpose of this PR

• don't print subsequent runs while running ./start.R --gamscompile in non-interactive mode to get a clean output.

Type of change

• Bug fix

Checklist:

• My code follows the coding etiquette
• I performed a self-review of my own code
• I explained my changes within the PR, particularly in hard-to-understand areas
• All automated model tests pass (FAIL 0 in the output of make test)

[orichters]

old:

 OK  ./output/gamscompile/main_TraInd-calibrate.lst
 OK  ./output/gamscompile/main_TraInd-Base.lst
   Subsequent runs: TraInd-NDC
 OK  ./output/gamscompile/main_TraInd-NDC.lst
   Subsequent runs: TraInd-Npi, TraInd-PkBudg700_Conv, TraInd-PkBudg900_Conv, TraInd-PkBudg1100_Conv, TraInd-PkBudg700_Elec, TraInd-PkBudg900_Elec, TraInd-PkBudg1100_Elec, TraInd-PkBudg700_SA1, TraInd-PkBudg700_SA2, TraInd-PkBudg700_SA3, TraInd-PkBudg700_SA4, TraInd-PkBudg700_SA5, TraInd-PkBudg700_SA6, TraInd-PkBudg700_SA7, TraInd-PkBudg700_SA8, TraInd-PkBudg700_SA9
 OK  ./output/gamscompile/main_TraInd-Npi.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg700_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg900_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg1100_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg700_Elec.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg900_Elec.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg1100_Elec.lst

new:

 OK  ./output/gamscompile/main_TraInd-calibrate.lst
 OK  ./output/gamscompile/main_TraInd-Base.lst
 OK  ./output/gamscompile/main_TraInd-NDC.lst
 OK  ./output/gamscompile/main_TraInd-Npi.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg700_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg900_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg1100_Conv.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg700_Elec.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg900_Elec.lst
 OK  ./output/gamscompile/main_TraInd-PkBudg1100_Elec.lst