staging: rtl8192e: Remove unused variable rtl819XAGCTAB_Array

Remove unused variable rtl819XAGCTAB_Array.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/0733800b195d4f63cce2ef2ac114943c8c30f587.1679077522.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.h

@@ -9,8 +9,6 @@
 
 #define MAX_DOZE_WAITING_TIMES_9x 64
 
-extern u32 rtl819XAGCTAB_Array[];
-
 enum hw90_block {
 	HW90_BLOCK_MAC = 0,
 	HW90_BLOCK_PHY0 = 1,