Remove microwin (#3999)

* Delete microwin functions

* Update main.ps1

* Remove oscdimg.exe which is used by microwin

* Delete config/autounattend.xml

* Update .gitignore

* Update bug_report.yaml

* Update themes.json

* Update Invoke-WinUtilFontScaling.ps1

* Update Invoke-AutoConfigDialog.ps1

* Update Invoke-WPFButton.ps1

* Update inputXML.xaml

* Delete docs/assets/images/microwin directory

* Delete docs/assets/images/MicroWinScreen.png

* Delete docs/assets/images/Microwin-Dark.png

* Delete docs/assets/images/Microwin-Light.png

* Update faq.md

* Update KnownIssues.md

* Update getting-started.md

* Update _index.md

* Delete docs/content/userguide/microwin directory

* Update architecture.md

---------

Co-authored-by: Chris Titus <dfm.titus@gmail.com>

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -10,7 +10,7 @@ body:
         Thank you for taking the time to report an issue! Please provide as much detail as possible to help us address the problem efficiently.
 
         ## ⚠️ **IMPORTANT**
-        - 🛠️ **Supported environments only:** We only support Windows 11. Custom ISOs that are not made using Microwin are not supported.
+        - 🛠️ **Supported environments only:** We only support Windows 11.
         - 💡 For general questions, use the [Discussions section](https://github.com/Christitustech/winutil/discussions) or join our Community-driven [Discord Server](https://discord.gg/RUbZUZyByQ).
 
   - type: checkboxes
@@ -28,7 +28,7 @@ body:
     id: affected_part
     attributes:
       label: 📜 What part of Winutil are you having issues with?
-      placeholder: "e.g., Microwin, Tweaks, etc."
+      placeholder: "e.g., Tweaks, etc."
     validations:
       required: true