staging: rtlwifi: halmac: halmac_api.c: Compress two lines into one line

Challenge suggested by coccinelle.
Compresses two lines into one line and remove unnecessary variable.
Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtlwifi/halmac/halmac_api.c

@@ -133,7 +133,6 @@ platform_reg_read_8_sdio(void *driver_adapter,
 			 struct halmac_platform_api *halmac_platform_api,
 			 u32 offset)
 {
-	u8 value8;
 	u32 halmac_offset = offset;
 	enum halmac_ret_status status = HALMAC_RET_SUCCESS;
 
@@ -146,10 +145,8 @@ platform_reg_read_8_sdio(void *driver_adapter,
 		return status;
 	}
 
-	value8 = halmac_platform_api->SDIO_CMD52_READ(driver_adapter,
-						      halmac_offset);
-
-	return value8;
+	return halmac_platform_api->SDIO_CMD52_READ(driver_adapter,
+						    halmac_offset);
 }
 
 static enum halmac_ret_status