Bulk convert control files. (#19986)

```
function Convert-Control {
    Param($full)
    .\vcpkg.exe format-manifest $full
    $root = $full.Substring(0, $full.Length - 7) # CONTROL
    $new = $root + 'vcpkg.json'
    $content = Get-Content -Raw $new
    $asJson = ConvertFrom-Json $content -AsHashtable -Depth 100
    $oldVersion = $asJson['port-version']
    if ($null -eq $oldVersion) {
        $oldVersionFull = $asJson['version-string']
        Write-Host "Got version $oldVersionFull"
        $match = [System.Text.RegularExpressions.Regex]::Match($oldVersionFull, '^(.+)-(\d+)$')
        if ($match.Success -and -not [System.Text.RegularExpressions.Regex]::IsMatch($oldVersionFull, '^\d\d\d\d-\d\d-\d\d$')) {
            $newFullVersion = [string]$match.Groups[1].Value
            $oldVersion = [int]$match.Groups[2].Value
            Write-Host "newFullVersion $newFullVersion oldVersion $oldVersion"
            $newVersion = $oldVersion + 1
            $asJson['version-string'] = $newFullVersion
            Write-Host "Previous version for $full extracted from version field -- setting version-string $newFullVersion and port-version $newVersion"
        } else {
            Write-Host "No previous version for $full -- setting 1"
            $newVersion = 1
        }
    } else {
        $newVersion = [int]$oldVersion + 1
        Write-Host "New version for $full : $newVersion"
    }

    $asJson['port-version'] = $newVersion

    $content = ConvertTo-Json $asJson -Depth 100
    Set-Content -Path $new -Value $content
    .\vcpkg.exe format-manifest $new
}

Get-ChildItem ports\CONTROL -Recurse | Foreach-Object {
    Convert-Control $_.FullName
}

git commit -am "this message"
.\vcpkg.exe x-add-version -all
git commit -a --amend
```

1 files changed, 0 insertions, 162 deletions

diff --git a/ports/qt5/CONTROL b/ports/qt5/CONTROL
deleted file mode 100644
index 085cfa17e..000000000
--- a/ports/qt5/CONTROL
+++ /dev/null
@@ -1,162 +0,0 @@
-Source: qt5
-Version: 5.15.2
-Homepage: https://www.qt.io/
-Description: Qt5 Application Framework
-Build-Depends: qt5-base[core]
-Default-Features: essentials
-
-Feature: essentials
-Build-Depends: qt5[core, tools, networkauth, quickcontrols2, multimedia, imageformats, declarative, svg, activeqt]
-Description: Build the essential qt modules
-
-Feature: latest
-Build-Depends: qt5-base[core, latest]
-Description: Build latest qt version (5.15.2) instead of LTS (Currently latest==LTS)
-
-Feature: all
-Build-Depends: qt5[3d, webchannel, websockets, extras, xmlpatterns, sensors, serialport, speech, svg, tools, virtualkeyboard, networkauth, purchasing, quickcontrols, quickcontrols2, script, scxml, activeqt, charts, datavis3d, declarative, gamepad, graphicaleffects, imageformats, location, multimedia, mqtt, webglplugin, webview, serialbus, translations, doc, remoteobjects, connectivity], qt5[core,webengine,mysqlplugin] (!static), qt5[core,wayland] (!windows)
-Description: Install all Qt5 submodules (Warning: Could take a long time and fail...)
-
-Feature: extras
-Build-Depends: qt5-winextras (windows), qt5-macextras (osx), qt5-x11extras (linux), qt5-androidextras (android)
-Description:
-
-Feature: 3d
-Build-Depends: qt5-3d
-Description:
-
-Feature: webchannel
-Build-Depends: qt5-webchannel
-Description:
-
-Feature: websockets
-Build-Depends: qt5-websockets
-Description:
-
-Feature: xmlpatterns
-Build-Depends: qt5-xmlpatterns
-Description: (deprecated)
-
-Feature: sensors
-Build-Depends: qt5-sensors
-Description:
-
-Feature: serialport
-Build-Depends: qt5-serialport
-Description:
-
-Feature: speech
-Build-Depends: qt5-speech
-Description:
-
-Feature: svg
-Build-Depends: qt5-svg
-Description:
-
-Feature: tools
-Build-Depends: qt5-tools
-Description:
-
-Feature: virtualkeyboard
-Build-Depends: qt5-virtualkeyboard
-Description:
-
-Feature: networkauth
-Build-Depends: qt5-networkauth
-Description:
-
-Feature: purchasing
-Build-Depends: qt5-purchasing
-Description:
-
-Feature: quickcontrols
-Build-Depends: qt5-quickcontrols
-Description: (deprecated)
-
-Feature: quickcontrols2
-Build-Depends: qt5-quickcontrols2
-Description:
-
-Feature: script
-Build-Depends: qt5-script
-Description: (deprecated)
-
-Feature: scxml
-Build-Depends: qt5-scxml
-Description:
-
-Feature: activeqt
-Build-Depends: qt5-activeqt (windows)
-Description: Windows Only
-
-Feature: charts
-Build-Depends: qt5-charts
-Description:
-
-Feature: datavis3d
-Build-Depends: qt5-datavis3d
-Description:
-
-Feature: declarative
-Build-Depends: qt5-declarative
-Description:
-
-Feature: gamepad
-Build-Depends: qt5-gamepad
-Description:
-
-Feature: graphicaleffects
-Build-Depends: qt5-graphicaleffects
-Description:
-
-Feature: imageformats
-Build-Depends: qt5-imageformats
-Description:
-
-Feature: location
-Build-Depends: qt5-location
-Description:
-
-Feature: multimedia
-Build-Depends: qt5-multimedia
-Description:
-
-Feature: mqtt
-Build-Depends: qt5-mqtt
-Description:
-
-Feature: webglplugin
-Build-Depends: qt5-webglplugin
-Description:
-
-Feature: webview
-Build-Depends: qt5-webview
-Description:
-
-Feature: wayland
-Build-Depends: qt5-wayland
-Description:
-
-Feature: webengine
-Build-Depends: qt5-webengine
-Description:
-
-Feature: serialbus
-Build-Depends: qt5-serialbus
-Description:
-
-Feature: translations
-Build-Depends: qt5-translations
-Description:
-
-Feature: doc
-Build-Depends: qt5-doc
-Description:
-
-Feature: remoteobjects
-Build-Depends: qt5-remoteobjects
-Description:
-
-Feature: connectivity
-Build-Depends: qt5-connectivity
-Description: