refactor(utils): remove unused

Author: TomokiMiyauci

_dev_deps.ts

@@ -2,7 +2,6 @@ export { describe, it } from "https://deno.land/std@0.177.0/testing/bdd.ts";
 export {
   assert,
   assertEquals,
-  assertThrows,
 } from "https://deno.land/std@0.177.0/testing/asserts.ts";
 export {
   assertSpyCalls,

utils.ts

@@ -1,15 +1,6 @@
 // Copyright 2023-latest the httpland authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-export function assert(
-  expr: unknown,
-  message = "Assertion failed",
-): asserts expr {
-  if (!expr) {
-    throw new Error(message);
-  }
-}
-
 export function matchMethod(
   candidates: readonly string[],
   method: string,

utils_test.ts

@@ -1,23 +1,5 @@
-import {
-  assert as $assert,
-  assertEquals,
-  assertThrows,
-  describe,
-  it,
-} from "./_dev_deps.ts";
-import { assert, matchMethod } from "./utils.ts";
-
-describe("assert", () => {
-  it("should not throw error when the input is truthy", () => {
-    assert(" ");
-    assert("0");
-  });
-
-  it("should throw error when the input is falsy", () => {
-    assertThrows(() => assert(0));
-    assertThrows(() => assert(""));
-  });
-});
+import { assert as $assert, assertEquals, describe, it } from "./_dev_deps.ts";
+import { matchMethod } from "./utils.ts";
 
 describe("matchMethod", () => {
   it("should match when the input is empty list", () => {