remove some old comments and bits

src/light.c

@@ -44,7 +44,6 @@
 #define LSF_SHOW 0x1        /* display the light source */
 #define LSF_NEEDS_FIXUP 0x2 /* need oid fixup */
 
-/* SAVE2018 */
 static void FDECL(write_ls, (NHFILE *, light_source *));
 static int FDECL(maybe_write_ls, (NHFILE *, int, BOOLEAN_P));
 
@@ -446,8 +445,6 @@ boolean ghostly;
     }
 }
 
-/* SAVE2018 */
-
 /*
  * Part of the light source save routine.  Count up the number of light
  * sources that would be written.  If write_it is true, actually write
@@ -518,14 +515,6 @@ light_sources_sanity_check()
     }
 }
 
-/* SAVE2018 */
-#if 0
-static void
-write_ls(fd, ls)
-int fd;
-light_source *ls;
-#endif /* 0 */
-
 /* Write a light source structure to disk. */
 static void
 write_ls(nhfp, ls)