Remove unneeded helpers

Author: cderv

tests/smoke/site/site.ts

@@ -6,7 +6,7 @@
 import { existsSync } from "../../../src/deno_ral/fs.ts";
 import { dirname } from "../../../src/deno_ral/path.ts";
 import { testQuartoCmd, Verify, TestContext, mergeTestContexts } from "../../test.ts";
-import { projectOutputForInput, restoreEnvVar, setEnvVar } from "../../utils.ts";
+import { projectOutputForInput } from "../../utils.ts";
 import { ensureHtmlElements, noErrorsOrWarnings } from "../../verify.ts";
 
 export const testSite = (

tests/utils.ts

@@ -189,18 +189,4 @@ export function fileLoader(...path: string[]) {
 // On Windows, `quarto.cmd` needs to be explicit in `execProcess()`
 export function quartoDevCmd(): string {
   return Deno.build.os === "windows" ? "quarto.cmd" : "quarto";
-}
-
-export function setEnvVar(name: string, value: string): string | undefined {
-  const originalValue = Deno.env.get(name);
-  Deno.env.set(name, value);
-  return originalValue;
-}
-
-export function restoreEnvVar(name: string, originalValue: string | undefined): void {
-  if (originalValue !== undefined) {
-    Deno.env.set(name, originalValue);
-  } else {
-    Deno.env.delete(name);
-  }
 }