remove duplicate assignments of dvdx and dudy. These duplicate assign…

…ments incorrectly override dvdx and dudy when surfbands wave coupling is on.

src/core/MOM_CoriolisAdv.F90

@@ -328,10 +328,6 @@ subroutine CorAdCalc(u, v, h, uh, vh, CAu, CAv, OBC, AD, G, GV, US, CS, Waves)
         dudy(I,J) = (u(I,j+1,k)*G%dxCu(I,j+1) - u(I,j,k)*G%dxCu(I,j))
       enddo; enddo
     endif
-    do J=Jsq-1,Jeq+1 ; do I=Isq-1,Ieq+1
-      dvdx(I,J) = (v(i+1,J,k)*G%dyCv(i+1,J) - v(i,J,k)*G%dyCv(i,J))
-      dudy(I,J) = (u(I,j+1,k)*G%dxCu(I,j+1) - u(I,j,k)*G%dxCu(I,j))
-    enddo ; enddo
     do J=Jsq-1,Jeq+1 ; do i=Isq-1,Ieq+2
       hArea_v(i,J) = 0.5*(Area_h(i,j) * h(i,j,k) + Area_h(i,j+1) * h(i,j+1,k))
     enddo ; enddo