Revert "[media] staging: omap4iss: copy paste error in iss_get_clocks"

This patch readded a call to iss_put_clocks(), with was removed
by changeset 1153be56, causing a compilation breakage.

This reverts commit d4b32646.

drivers/staging/media/omap4iss/iss.c

@@ -1014,7 +1014,6 @@ static int iss_get_clocks(struct iss_device *iss)
 	iss->iss_ctrlclk = devm_clk_get(iss->dev, "iss_ctrlclk");
 	if (IS_ERR(iss->iss_ctrlclk)) {
 		dev_err(iss->dev, "Unable to get iss_ctrlclk clock info\n");
-		iss_put_clocks(iss);
 		return PTR_ERR(iss->iss_ctrlclk);
 	}