Remove legacy TypeScript frontend and npm pipeline

scripts/ci-local.ps1

@@ -1,5 +1,4 @@
 param(
-    [switch]$SkipNpmInstall,
     [switch]$SkipDotnetRestore,
     [switch]$SkipBuild
 )
@@ -25,12 +24,6 @@ $repoRoot = Split-Path -Parent $scriptDir
 
 Push-Location $repoRoot
 try {
-    if (-not $SkipNpmInstall) {
-        Invoke-Step -Name "Install frontend tooling (npm install)" -Action {
-            npm install
-        }
-    }
-
     if (-not $SkipDotnetRestore) {
         Invoke-Step -Name "Restore .NET solution" -Action {
             dotnet restore RpgRoller.sln
@@ -43,18 +36,6 @@ try {
         }
     }
 
-    Invoke-Step -Name "Generate frontend API client from OpenAPI" -Action {
-        npm run generate:api-client
-    }
-
-    Invoke-Step -Name "Lint frontend" -Action {
-        npm run lint
-    }
-
-    Invoke-Step -Name "Check frontend formatting" -Action {
-        npm run format:check
-    }
-
     Invoke-Step -Name "Run tests" -Action {
         if ($SkipBuild) {
             dotnet test RpgRoller.Tests/RpgRoller.Tests.csproj --verbosity normal --collect:"XPlat Code Coverage" --settings RpgRoller.Tests/coverlet.runsettings