treewide: Remove clk_free

This function is a no-op. Remove it.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20231216193843.2463779-3-seanga2@gmail.com
diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index 1960352..1a3e935 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -361,10 +361,8 @@
 
 #if CONFIG_IS_ENABLED(CLK)
 	ret = clk_enable(&priv->clk);
-	if (ret) {
-		clk_free(&priv->clk);
+	if (ret)
 		return ret;
-	}
 #endif
 
 	return 0;