staging: rtlwifi: remove unused RTLHALMAC_ST and RTLPHYDM_ST

Since nothing builds/depends on RTLHALMAC_ST and RTLPHYDM_ST, we could
remove them.
Furthermore, they are totally undocumented

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtlwifi/Kconfig

@@ -6,16 +6,6 @@ config R8822BE
 	This is the staging driver for Realtek RTL8822BE 802.11ac PCIe
 	wireless network adapters.
 
-config RTLHALMAC_ST
-	tristate
-	depends on R8822BE
-	default m
-
-config RTLPHYDM_ST
-	tristate
-	depends on R8822BE
-	default m
-
 config RTLWIFI_DEBUG_ST
 	boolean
 	depends on R8822BE