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

Deno.build.os provides the same functionality

This reverts commit 6ccf9037a6b36c81ea0e6ac12d0e2dbd793f6114.

3 files changed, 1 insertions, 17 deletions

diff --git a/cli/js/deno.ts b/cli/js/deno.ts
index e4211c23d..5bc69fc7b 100644
--- a/cli/js/deno.ts
+++ b/cli/js/deno.ts
@@ -53,7 +53,7 @@ export {
 export { metrics, Metrics } from "./ops/runtime.ts";
 export { mkdirSync, mkdir, MkdirOptions } from "./ops/fs/mkdir.ts";
 export { connect, listen, Listener, Conn } from "./net.ts";
-export { dir, env, exit, execPath, osName } from "./ops/os.ts";
+export { env, exit, execPath } from "./ops/os.ts";
 export { run, RunOptions, Process, ProcessStatus } from "./process.ts";
 export { DirEntry, readDirSync, readDir } from "./ops/fs/read_dir.ts";
 export { readFileSync, readFile } from "./read_file.ts";
diff --git a/cli/js/lib.deno.unstable.d.ts b/cli/js/lib.deno.unstable.d.ts
index f425dec56..dc50416fc 100644
--- a/cli/js/lib.deno.unstable.d.ts
+++ b/cli/js/lib.deno.unstable.d.ts
@@ -32,18 +32,6 @@ declare namespace Deno {
    * Requires `allow-read` and `allow-write` permissions. */
   export function linkSync(oldpath: string, newpath: string): void;
 
-  /**
-   * Returns the os name.
-   *
-   * ```ts
-   * console.log(Deno.osName());  // e.g. "Linux"
-   * ```
-   *
-   */
-
-  export function osName(): string;
-
-  /** Creates `newpath` as a hard link to `oldpath`.
   /** **UNSTABLE**: This API needs a security review.
    *
    * Creates `newpath` as a hard link to `oldpath`.
diff --git a/cli/js/ops/os.ts b/cli/js/ops/os.ts
index 915106495..e63d8b358 100644
--- a/cli/js/ops/os.ts
+++ b/cli/js/ops/os.ts
@@ -72,7 +72,3 @@ export function dir(kind: DirKind): string | null {
 export function execPath(): string {
   return sendSync("op_exec_path");
 }
-
-export function osName(): string {
-  return sendSync("op_name");
-}