i2c: gxp: remove "empty" switch statement

There used to be error messages which had to go. Now, it only consists
of 'break's, so it can go.
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-gxp.c

@@ -126,19 +126,8 @@ static int gxp_i2c_master_xfer(struct i2c_adapter *adapter,
 	time_left = wait_for_completion_timeout(&drvdata->completion,
 						adapter->timeout);
 	ret = num - drvdata->msgs_remaining;
-	if (time_left == 0) {
-		switch (drvdata->state) {
-		case GXP_I2C_WDATA_PHASE:
-			break;
-		case GXP_I2C_RDATA_PHASE:
-			break;
-		case GXP_I2C_ADDR_PHASE:
-			break;
-		default:
-			break;
-		}
+	if (time_left == 0)
 		return -ETIMEDOUT;
-	}
 
 	if (drvdata->state == GXP_I2C_ADDR_NACK ||
 	    drvdata->state == GXP_I2C_DATA_NACK)