docs: make Linux the supported release platform

Sanitized snapshot of private source e6784dc71e34681eca4ac52b0f9fe9efc9ce26ca.\n\nAI-assisted implementation reviewed by Cole Speelman.

Signed-off-by: Cole Speelman <crspeelman@gmail.com>

scripts/public-snapshot.allow

@@ -2,7 +2,6 @@
 
 .gitattributes
 .gitea/workflows/assurance.yml
-.gitea/workflows/cross-platform.yml
 .gitea/workflows/verify.yml
 .gitignore
 CHANGELOG.md
@@ -47,7 +46,6 @@ scripts/export-public.sh
 scripts/public-snapshot.allow
 scripts/test-public-snapshot.sh
 scripts/verify.sh
-scripts/verify.ps1
 starters/basic/.env.example
 starters/basic/README.md
 starters/basic/main.go

scripts/verify.ps1

@@ -1,41 +0,0 @@
-# SPDX-License-Identifier: AGPL-3.0-only
-$ErrorActionPreference = "Stop"
-$root = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path
-Push-Location $root
-try {
-    $failed = $false
-    Get-ChildItem -Recurse -File | ForEach-Object {
-        $relative = [IO.Path]::GetRelativePath($root, $_.FullName).Replace('\', '/')
-        if ($relative.StartsWith('.git/') -or $relative.StartsWith('LICENSES/') -or $relative -eq 'go.sum') { return }
-        if ($relative.StartsWith('starters/') -or $relative.StartsWith('examples/')) { $expected = '0BSD' }
-        elseif ($relative.StartsWith('scripts/') -or $relative.StartsWith('.gitea/') -or $relative.StartsWith('services/')) { $expected = 'AGPL-3.0-only' }
-        else { $expected = 'MPL-2.0' }
-        $header = (Get-Content -LiteralPath $_.FullName -TotalCount 5) -join "`n"
-        if (-not $header.Contains("SPDX-License-Identifier: $expected")) {
-            Write-Error "license mismatch: $relative expected $expected"
-            $failed = $true
-        }
-    }
-    if ($failed) { throw "license boundary failed" }
-
-    $unformatted = & gofmt -l .
-    if ($LASTEXITCODE -ne 0 -or $unformatted) { throw "gofmt check failed: $unformatted" }
-    & go test ./...
-    if ($LASTEXITCODE -ne 0) { throw "go test failed" }
-    & go test -race ./...
-    if ($LASTEXITCODE -ne 0) { throw "race test failed" }
-    & go vet ./...
-    if ($LASTEXITCODE -ne 0) { throw "go vet failed" }
-    $build = Join-Path ([IO.Path]::GetTempPath()) ("gamertan-web-" + [guid]::NewGuid().ToString('N'))
-    New-Item -ItemType Directory -Path $build | Out-Null
-    try {
-        & go build -trimpath -o (Join-Path $build 'basic.exe') ./starters/basic
-        if ($LASTEXITCODE -ne 0) { throw "starter build failed" }
-    } finally {
-        Remove-Item -LiteralPath $build -Recurse -Force
-    }
-    & git diff --check
-    if ($LASTEXITCODE -ne 0) { throw "git diff check failed" }
-} finally {
-    Pop-Location
-}