Update src/simulation/m_riemann_solvers.fpp

Co-authored-by: Copilot <[email protected]>

Author: Malmahrouqi3

src/simulation/m_riemann_solvers.fpp

@@ -1162,7 +1162,7 @@ contains
 
         integer :: i, j, k, l, q !< Generic loop iterators
         integer :: idx1, idxi
-        type(riemann_states) :: c_fast, vel
+        
         integer :: loop_end
 
         ! Populating the buffers of the left and right Riemann problem