staging: iio: light: tsl2x7x: remove useless initialization

Remove the initialization of a variable that is immediately
reassigned.
Signed-off-by: NAlison Schofield <amsfield22@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/light/tsl2x7x_core.c

@@ -296,7 +296,7 @@ static const u8 device_channel_config[] = {
 static int
 tsl2x7x_i2c_read(struct i2c_client *client, u8 reg, u8 *val)
 {
-	int ret = 0;
+	int ret;
 
 	/* select register to write */
 	ret = i2c_smbus_write_byte(client, (TSL2X7X_CMD_REG | reg));