Debugger: Cleanup.

ThreadHandler:
- Simplify SetBreakpointAndRun() to always use the debugger interface to
  continue execution, since the latter is now intelligent enough to determine
  how to handle that in all cases. Adjust callers accordingly.

src/apps/debugger/controllers/TeamDebugger.cpp

@@ -1962,7 +1962,7 @@ TeamDebugger::_HandleImageDebugInfoChanged(image_id imageID)
 				SymbolInfo symbolInfo;
 				if (fDebuggerInterface->GetSymbolInfo(fTeam->ID(), image->ID(),
 						"main", B_SYMBOL_TYPE_TEXT, symbolInfo) == B_OK) {
-					handler->SetBreakpointAndRun(symbolInfo.Address(), false);
+					handler->SetBreakpointAndRun(symbolInfo.Address());
 				}
 			} else {
 				locker.Unlock();