staging: rtl8188eu: remove redundant assignment to rtstatus

Variable rtstatus is initialized to a value that is never read and it
is re-assigned later. The initialization is redundant and can be
removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190726124803.11349-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rf_cfg.c

@@ -222,7 +222,7 @@ bool rtl88eu_phy_rf_config(struct adapter *adapt)
 {
 	struct hal_data_8188e *hal_data = adapt->HalData;
 	u32 u4val = 0;
-	bool rtstatus = true;
+	bool rtstatus;
 	struct bb_reg_def *pphyreg;
 
 	pphyreg = &hal_data->PHYRegDef[RF90_PATH_A];