change: Remove deprecated flag from Flags interface (linode#12911)

* Remove deprecated lkeEnterprise flag from Flags interface

* Add changeset

Author: mjac0bs

packages/manager/.changeset/pr-12911-tech-stories-1758736596975.md

@@ -0,0 +1,5 @@
+---
+"@linode/manager": Tech Stories
+---
+
+Remove deprecated `lkeEnterprise` flag from Flags interface ([#12911](https://github.com/linode/manager/pull/12911))

packages/manager/src/featureFlags.ts

@@ -182,7 +182,6 @@ export interface Flags {
   linodeCloneFirewall: boolean;
   linodeDiskEncryption: boolean;
   linodeInterfaces: LinodeInterfacesFlag;
-  lkeEnterprise: LkeEnterpriseFlag;
   lkeEnterprise2: LkeEnterpriseFlag;
   mainContentBanner: MainContentBanner;
   marketplaceAppOverrides: MarketplaceAppOverride[];