[PM-17655] Billing Code Ownership Updates (#13105)

* Moved has-premium.guard under billing

* Moved free-trial.ts to billing

* Moved premium directives to billing

* Moved families-policy.service.ts to billing

* Moved trial initiation from auth to billing

libs/angular/src/billing/directives/not-premium.directive.ts

@@ -0,0 +1,39 @@
+import { Directive, OnInit, TemplateRef, ViewContainerRef } from "@angular/core";
+import { firstValueFrom } from "rxjs";
+
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { BillingAccountProfileStateService } from "@bitwarden/common/billing/abstractions/account/billing-account-profile-state.service";
+
+/**
+ * Hides the element if the user has premium.
+ */
+@Directive({
+  selector: "[appNotPremium]",
+})
+export class NotPremiumDirective implements OnInit {
+  constructor(
+    private templateRef: TemplateRef<any>,
+    private viewContainer: ViewContainerRef,
+    private billingAccountProfileStateService: BillingAccountProfileStateService,
+    private accountService: AccountService,
+  ) {}
+
+  async ngOnInit(): Promise<void> {
+    const account = await firstValueFrom(this.accountService.activeAccount$);
+
+    if (!account) {
+      this.viewContainer.createEmbeddedView(this.templateRef);
+      return;
+    }
+
+    const premium = await firstValueFrom(
+      this.billingAccountProfileStateService.hasPremiumFromAnySource$(account.id),
+    );
+
+    if (premium) {
+      this.viewContainer.clear();
+    } else {
+      this.viewContainer.createEmbeddedView(this.templateRef);
+    }
+  }
+}