disp: msm: sde: remove sde wrapper for clock set flags

Since clock set flags api is deprecated for new target, this
change removes sde wrapper and removes LUT memeory retention logic
from crtc module.

Change-Id: If37ec780913668c1a43f8a71e79249679526bd34
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>

msm/sde_power_handle.c

@@ -947,30 +947,6 @@ struct clk *sde_power_clk_get_clk(struct sde_power_handle *phandle,
 	return clk;
 }
 
-int sde_power_clk_set_flags(struct sde_power_handle *phandle,
-		char *clock_name, unsigned long flags)
-{
-	struct clk *clk;
-
-	if (!phandle) {
-		pr_err("invalid input power handle\n");
-		return -EINVAL;
-	}
-
-	if (!clock_name) {
-		pr_err("invalid input clock name\n");
-		return -EINVAL;
-	}
-
-	clk = sde_power_clk_get_clk(phandle, clock_name);
-	if (!clk) {
-		pr_err("get_clk failed for clk: %s\n", clock_name);
-		return -EINVAL;
-	}
-
-	return clk_set_flags(clk, flags);
-}
-
 struct sde_power_event *sde_power_handle_register_event(
 		struct sde_power_handle *phandle,
 		u32 event_type, void (*cb_fnc)(u32 event_type, void *usr),