fix: remove dead noinline directive (handled by CMake except: instead)

Author: sbryngelson

src/simulation/m_time_steppers.fpp

@@ -626,10 +626,6 @@ contains
     !> Compute the global time step size from CFL stability constraints across all cells
     impure subroutine s_compute_dt()
 
-#ifdef __NVCOMPILER
-        ! dir$ noinline
-#endif
-
         real(wp) :: rho  !< Cell-avg. density
 
         #:if not MFC_CASE_OPTIMIZATION and USING_AMD