rtl_bt: Remove unused firmware images

The firmware images below are no longer used by any in-kernel driver,
so remove them.

rtl_bt/rtl8192ee_fw.bin
rtl_bt/rtl8192eu_fw.bin
rtl_bt/rtl8812ae_fw.bin

Signed-off-by: Zenm Chen <zenmchen@gmail.com>

WHENCE

@@ -4119,8 +4119,6 @@ Version: BT_Magnetar_REL103427_23.50.24332.103427
 
 Licence: Redistributable. See LICENCE.ibt_firmware for details
 
-File: rtl_bt/rtl8192ee_fw.bin
-File: rtl_bt/rtl8192eu_fw.bin
 File: rtl_bt/rtl8723a_fw.bin
 File: rtl_bt/rtl8723b_fw.bin
 File: rtl_bt/rtl8723bs_fw.bin
@@ -4134,7 +4132,6 @@ File: rtl_bt/rtl8761b_fw.bin
 File: rtl_bt/rtl8761b_config.bin
 File: rtl_bt/rtl8761bu_fw.bin
 File: rtl_bt/rtl8761bu_config.bin
-File: rtl_bt/rtl8812ae_fw.bin
 File: rtl_bt/rtl8821a_fw.bin
 Link: rtl_bt/rtl8821a_config.bin -> rtl8821c_config.bin
 File: rtl_bt/rtl8822b_fw.bin