Remove setPackages from PackageManager interface

Remove setPackages from PackageManager interface in src/api.ts,
api/src/main.ts, and examples/sample1/src/api.ts, and its wrapper
implementation in internal.api.ts. No managers implemented this method.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: edvilme

api/src/main.ts

@@ -689,18 +689,6 @@ export interface PackageManager {
      */
     getPackages(environment: PythonEnvironment, options?: GetPackagesOptions): Promise<Package[] | undefined>;
 
-    /**
-     * Updates the cached packages for the specified environment and fires a change event.
-     * @param environment - The Python environment whose packages changed.
-     * @param packages - The new list of packages.
-     * @param changes - The list of changes describing what was added or removed.
-     */
-    setPackages(
-        environment: PythonEnvironment,
-        packages: Package[],
-        changes: { kind: PackageChangeKind; pkg: Package }[],
-    ): void;
-
     /**
      * Event that is fired when packages change.
      */

examples/sample1/src/api.ts

@@ -616,18 +616,6 @@ export interface PackageManager {
      */
     getPackages(environment: PythonEnvironment, options?: GetPackagesOptions): Promise<Package[] | undefined>;
 
-    /**
-     * Updates the cached packages for the specified environment and fires a change event.
-     * @param environment - The Python environment whose packages changed.
-     * @param packages - The new list of packages.
-     * @param changes - The list of changes describing what was added or removed.
-     */
-    setPackages(
-        environment: PythonEnvironment,
-        packages: Package[],
-        changes: { kind: PackageChangeKind; pkg: Package }[],
-    ): void;
-
     /**
      * Event that is fired when packages change.
      */

src/api.ts

@@ -684,18 +684,6 @@ export interface PackageManager {
      */
     getPackages(environment: PythonEnvironment, options?: GetPackagesOptions): Promise<Package[] | undefined>;
 
-    /**
-     * Updates the cached packages for the specified environment and fires a change event.
-     * @param environment - The Python environment whose packages changed.
-     * @param packages - The new list of packages.
-     * @param changes - The list of changes describing what was added or removed.
-     */
-    setPackages(
-        environment: PythonEnvironment,
-        packages: Package[],
-        changes: { kind: PackageChangeKind; pkg: Package }[],
-    ): void;
-
     /**
      * Event that is fired when packages change.
      */

src/internal.api.ts

@@ -373,14 +373,6 @@ export class InternalPackageManager implements PackageManager {
         return this.manager.getPackages(environment, options);
     }
 
-    setPackages(
-        environment: PythonEnvironment,
-        packages: Package[],
-        changes: { kind: PackageChangeKind; pkg: Package }[],
-    ): void {
-        this.manager.setPackages(environment, packages, changes);
-    }
-
     onDidChangePackages(handler: (e: DidChangePackagesEventArgs) => void): Disposable {
         return this.manager.onDidChangePackages ? this.manager.onDidChangePackages(handler) : new Disposable(() => {});
     }