staging: r8188eu: remove action_public_str()

Function action_public_str() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-31-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ieee80211.c

@@ -1495,29 +1495,3 @@ int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *act
 
 	return true;
 }
-
-static const char *_action_public_str[] = {
-	"ACT_PUB_BSSCOEXIST",
-	"ACT_PUB_DSE_ENABLE",
-	"ACT_PUB_DSE_DEENABLE",
-	"ACT_PUB_DSE_REG_LOCATION",
-	"ACT_PUB_EXT_CHL_SWITCH",
-	"ACT_PUB_DSE_MSR_REQ",
-	"ACT_PUB_DSE_MSR_RPRT",
-	"ACT_PUB_MP",
-	"ACT_PUB_DSE_PWR_CONSTRAINT",
-	"ACT_PUB_VENDOR",
-	"ACT_PUB_GAS_INITIAL_REQ",
-	"ACT_PUB_GAS_INITIAL_RSP",
-	"ACT_PUB_GAS_COMEBACK_REQ",
-	"ACT_PUB_GAS_COMEBACK_RSP",
-	"ACT_PUB_TDLS_DISCOVERY_RSP",
-	"ACT_PUB_LOCATION_TRACK",
-	"ACT_PUB_RSVD",
-};
-
-const char *action_public_str(u8 action)
-{
-	action = (action >= ACT_PUBLIC_MAX) ? ACT_PUBLIC_MAX : action;
-	return _action_public_str[action];
-}

drivers/staging/r8188eu/include/ieee80211.h

@@ -1181,6 +1181,5 @@ u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
 
 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category,
 			   u8 *action);
-const char *action_public_str(u8 action);
 
 #endif /* IEEE80211_H */