Revert "feat: add Deno.osName()" (#6261)

Deno.build.os provides the same functionality

This reverts commit 6ccf9037a6b36c81ea0e6ac12d0e2dbd793f6114.

1 files changed, 0 insertions, 16 deletions

diff --git a/cli/tests/unit/os_test.ts b/cli/tests/unit/os_test.ts
index deb0385a8..9698692c7 100644
--- a/cli/tests/unit/os_test.ts
+++ b/cli/tests/unit/os_test.ts
@@ -326,22 +326,6 @@ unitTest({ perms: { env: false } }, function hostnamePerm(): void {
   assert(caughtError);
 });
 
-unitTest({ perms: { env: true } }, function osName(): void {
-  assertNotEquals(Deno.osName(), "");
-});
-
-unitTest({ perms: { env: false } }, function osNamePerm(): void {
-  let caughtError = false;
-  try {
-    Deno.osName();
-  } catch (err) {
-    caughtError = true;
-    assert(err instanceof Deno.errors.PermissionDenied);
-    assertEquals(err.name, "PermissionDenied");
-  }
-  assert(caughtError);
-});
-
 unitTest({ perms: { env: true } }, function releaseDir(): void {
   assertNotEquals(Deno.osRelease(), "");
 });