staging: rtl8192e: remove redundant initialization of rtstatus

Variable rtstatus is being initialized with a value that is never
read as it is being overwritten inside a do-while loop. Clean up
the code by removing the redundant initialization.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190702095647.26378-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

@@ -1427,7 +1427,7 @@ static bool _rtl92e_set_rf_power_state(struct net_device *dev,
 				 "_rtl92e_set_rf_power_state() eRfOn!\n");
 			if ((priv->rtllib->eRFPowerState == eRfOff) &&
 			     RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC)) {
-				bool rtstatus = true;
+				bool rtstatus;
 				u32 InitilizeCount = 3;
 
 				do {