Remove incorrect ms.subservice from dev env index and java pages

ms.subservice: windows-nodejs was wrong for a general landing page and
a Java-specific page. Neither file has ms.service set, so ms.subservice
has no valid meaning here. Removed from both.

Co-authored-by: Copilot <[email protected]>

Author: GrantMeStrength

hub/dev-environment/index.md

@@ -2,7 +2,6 @@
 title: Windows developer tools
 description: Windows includes built-in tools designed for developers — a package manager, a Linux subsystem, optimized storage, and more.
 ms.topic: overview
-ms.subservice: windows-nodejs
 ms.date: 03/26/2026
 ---
 

hub/dev-environment/java.md

@@ -2,7 +2,6 @@
 title: Get started with Java on Windows
 description: A guide to help you set up a Java development environment on Windows, including JDK installation, JAVA_HOME configuration, and recommended tools.
 ms.topic: get-started
-ms.subservice: windows-nodejs
 ms.date: 03/27/2026
 ---