Revert "fix(server) Differentiate command resolution by platform"

This reverts commit 0fa56e14d9.

server/src/index.ts

@@ -4,7 +4,6 @@ import cors from "cors";
 import EventSource from "eventsource";
 import { parseArgs } from "node:util";
 import { parse as shellParseArgs } from "shell-quote";
-import { platform } from "node:os";
 
 import { SSEClientTransport } from "@modelcontextprotocol/sdk/client/sse.js";
 import {
@@ -43,12 +42,7 @@ const createTransport = async (query: express.Request["query"]) => {
     const origArgs = shellParseArgs(query.args as string) as string[];
     const env = query.env ? JSON.parse(query.env as string) : undefined;
 
-    // On Windows, we need to find the actual executable to run
-    // On other platforms, we can just use the command as-is
-    const { cmd, args } =
-      platform() === "win32"
-        ? findActualExecutable(command, origArgs)
-        : { cmd: command, args: origArgs };
+    const { cmd, args } = findActualExecutable(command, origArgs);
 
     console.log(
       `Stdio transport: command=${cmd}, args=${args}, env=${JSON.stringify(env)}`,