staging: rtl8723bs: remove undefined function prototypes

remove undefined function prototypes.
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Link: https://lore.kernel.org/r/77c0c9027448be020a00e7ded9ffeb967341b588.1619794331.git.fabioaiuto83@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/odm_PathDiv.h

@@ -8,14 +8,4 @@
 #ifndef	__ODMPATHDIV_H__
 #define    __ODMPATHDIV_H__
 
-void
-odm_PathDiversityInit(
-	void *pDM_VOID
-	);
-
-void
-odm_PathDiversity(
-	void *pDM_VOID
-	);
-
  #endif		 /* ifndef  __ODMPATHDIV_H__ */