smyrna: remove some prototypes of unimplemented functions

diff --git a/cmd/smyrna/smyrnadefs.h b/cmd/smyrna/smyrnadefs.h
index fc2c0d7253a78b6a04cadef8fb9067f7445238a1..5a3b048aa11532c786c7d9e26be2e75a79b365c0 100644 (file)
--- a/cmd/smyrna/smyrnadefs.h
+++ b/cmd/smyrna/smyrnadefs.h
@@ -725,10 +725,6 @@ typedef struct
 
     extern void glexpose(void);
 
-    extern char *layout2s(gvk_layout gvkl);
-    extern gvk_layout s2layout(char *s);
-    extern char *element2s(gve_element);
-
 #ifdef __cplusplus
 }                              /* end extern "C" */
 #endif