Reformat editorconfig

- Group style rules with their associated options in a way that matches the documentation. This makes it easier to pair rules and their options.
- Remove OpenRA.ruleset and move all rules into .editorconfig file.
- Centralise IDE0005 workaround in Directory.Build.props file.

make.ps1

@@ -114,8 +114,9 @@ function Check-Command
 {
 	Write-Host "Compiling in Debug configuration..." -ForegroundColor Cyan
 
-	# Enabling EnforceCodeStyleInBuild and GenerateDocumentationFile as a workaround for some code style rules (in particular IDE0005) being bugged and not reporting warnings/errors otherwise.
-	dotnet build -c Debug --nologo -warnaserror -p:TargetPlatform=win-x64 -p:EnforceCodeStyleInBuild=true -p:GenerateDocumentationFile=true
+	dotnet clean -c Debug --nologo --verbosity minimal
+	dotnet build -c Debug --nologo -warnaserror -p:TargetPlatform=win-x64
+
 	if ($lastexitcode -ne 0)
 	{
 		Write-Host "Build failed." -ForegroundColor Red