remove unused variables

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@44079 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.rectify/global.h

@@ -27,7 +27,6 @@ struct cache
 };
 
 extern char *seg_mb;
-extern int seg_rows, seg_cols;
 
 extern int temp_fd;
 extern RASTER_MAP_TYPE map_type;

imagery/i.rectify/main.c

@@ -33,7 +33,6 @@
 #include "crs.h"
 
 char *seg_mb;
-int seg_rows, seg_cols;
 
 int temp_fd;
 RASTER_MAP_TYPE map_type;