media: dvb-frontends: remove unused drx_dap_fasi_funct_g declaration

drx_dap_fasi_funct_g has been removed since
commit 80bff4b0 ("[media] drx-j: get rid of struct
drx_dap_fasi_funct_g"), so remove it.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/dvb-frontends/drx39xyj/drx_dap_fasi.h

@@ -234,8 +234,6 @@
 
 /*-------- Public API functions ----------------------------------------------*/
 
-extern struct drx_access_func drx_dap_fasi_funct_g;
-
 #define DRXDAP_FASI_RMW           0x10000000
 #define DRXDAP_FASI_BROADCAST     0x20000000
 #define DRXDAP_FASI_CLEARCRC      0x80000000