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>

config/themes.json

@@ -25,8 +25,6 @@
         "IconButtonSize":   "35",
         "SettingsIconFontSize":   "18",
         "CloseIconFontSize":      "18",
-        "MicroWinLogoSize": "10",
-        "MicrowinCheckBoxMargin": "-10,5,0,0",
         "GroupBorderBackgroundColor":  "#232629",
         "ButtonFontSize":   "12",
         "ButtonFontFamily": "Arial",
@@ -60,7 +58,6 @@
         "ScrollBarHoverColor": "#5A5D62",
         "ScrollBarDraggingColor": "#6A6D72",
 
-        "MicrowinBusyColor": "#2e77ff",
         "ProgressBarForegroundColor": "#2e77ff",
         "ProgressBarBackgroundColor": "Transparent",
         "ProgressBarTextColor": "#232629",
@@ -101,7 +98,6 @@
         "ScrollBarHoverColor": "#3B4252",
         "ScrollBarDraggingColor": "#5E81AC",
 
-        "MicrowinBusyColor": "#2e77ff",
         "ProgressBarForegroundColor": "#222222",
         "ProgressBarBackgroundColor": "Transparent",
         "ProgressBarTextColor": "#232629",