Merge pull request #15070 from rmcdermo/master

FDS Source: fix unused error

Author: rmcdermo

Source/wall.f90

@@ -925,7 +925,7 @@ SUBROUTINE CALCULATE_ZZ_F(T,DT,WALL_INDEX,CFACE_INDEX,PARTICLE_INDEX)
 REAL(EB) :: T_SCALE(MAX_QDOTPP_REF),QDOTPP_REF(MAX_QDOTPP_REF),QDOTPP_T(MAX_QDOTPP_REF), &
             QDOTPP,QDOTPP1,QDOTPP2,DT_SPYRO(MAX_QDOTPP_REF),CP,H_G,MW_RATIO
 REAL(EB) :: RVC,M_DOT_PPP_SINGLE,ZZ_GET(1:N_TRACKED_SPECIES),DENOM
-INTEGER :: N,NS,IDX1,IDX2,NQ,ITER,IIO,JJO,KKO,OBST_INDEX,OTHER_MESH_OBST_INDEX,LL,SPECIES_BC_INDEX,IC,ICG,N_ZZ_MAX
+INTEGER :: N,NS,IDX1,IDX2,NQ,ITER,IIO,JJO,KKO,OBST_INDEX,OTHER_MESH_OBST_INDEX,LL,SPECIES_BC_INDEX,IC,ICG
 INTEGER, INTENT(IN), OPTIONAL :: WALL_INDEX,CFACE_INDEX,PARTICLE_INDEX
 TYPE(RAMPS_TYPE), POINTER :: RP,RP_E2T,RP_REF
 TYPE(EXTERNAL_WALL_TYPE), POINTER :: EWC