remove unused and duplicated code

src/vs/base/common/collections.ts

@@ -71,18 +71,6 @@ export function forEach<T>(from: IStringDictionary<T> | INumberDictionary<T>, ca
 	}
 }
 
-/**
- * Removes an element from the dictionary. Returns {{false}} if the property
- * does not exists.
- */
-export function remove<T>(from: IStringDictionary<T> | INumberDictionary<T>, key: string): boolean {
-	if (!hasOwnProperty.call(from, key)) {
-		return false;
-	}
-	delete (from as any)[key];
-	return true;
-}
-
 /**
  * Groups the collection into a dictionary based on the provided
  * group function.

src/vs/base/common/objects.ts

@@ -171,7 +171,7 @@ export function equals(one: any, other: any): boolean {
 	return true;
 }
 
-export function arrayToHash(array: any[]) {
+function arrayToHash(array: string[]): { [name: string]: true } {
 	const result: any = {};
 	for (let i = 0; i < array.length; ++i) {
 		result[array[i]] = true;
@@ -218,11 +218,6 @@ export function safeStringify(obj: any): string {
 	});
 }
 
-export function getOrDefault<T, R>(obj: T, fn: (obj: T) => R, defaultValue: R | null = null): R | null {
-	const result = fn(obj);
-	return typeof result === 'undefined' ? defaultValue : result;
-}
-
 export function getOrDefault2<T, R>(obj: T, fn: (obj: T) => R | undefined, defaultValue: R): R {
 	const result = fn(obj);
 	return typeof result === 'undefined' ? defaultValue : result;

src/vs/base/test/common/collections.test.ts

@@ -54,9 +54,4 @@ suite('Collections', () => {
 		assert.equal(grouped[group2].length, 1);
 		assert.equal(grouped[group2][0].value, value3);
 	});
-
-	test('remove', () => {
-		assert(collections.remove({ 'far': 1 }, 'far'));
-		assert(!collections.remove({ 'far': 1 }, 'boo'));
-	});
 });

src/vs/platform/extensionManagement/node/extensionGalleryService.ts

@@ -9,7 +9,7 @@ import { distinct } from 'vs/base/common/arrays';
 import { getErrorMessage, isPromiseCanceledError, canceled } from 'vs/base/common/errors';
 import { StatisticType, IGalleryExtension, IExtensionGalleryService, IGalleryExtensionAsset, IQueryOptions, SortBy, SortOrder, IExtensionManifest, IExtensionIdentifier, IReportedExtension, InstallOperation, ITranslation } from 'vs/platform/extensionManagement/common/extensionManagement';
 import { getGalleryExtensionId, getGalleryExtensionTelemetryData, adoptToGalleryExtensionId } from 'vs/platform/extensionManagement/common/extensionManagementUtil';
-import { assign, getOrDefault } from 'vs/base/common/objects';
+import { assign, getOrDefault2 } from 'vs/base/common/objects';
 import { IRequestService } from 'vs/platform/request/node/request';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { IPager } from 'vs/base/common/paging';
@@ -402,7 +402,7 @@ export class ExtensionGalleryService implements IExtensionGalleryService {
 
 		const type = options.names ? 'ids' : (options.text ? 'text' : 'all');
 		let text = options.text || '';
-		const pageSize = getOrDefault(options, o => o.pageSize, 50);
+		const pageSize = getOrDefault2(options, o => o.pageSize, 50);
 
 		/* __GDPR__
 			"galleryService:query" : {