Clean up code for old runtimes #856

	# This builds in all configurations and runtimes so we will catch any compilation errors prior to releasing with the automatic publish-nuget action.

	name: CsProj Builds

	on: [pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	csproj-build:
	name: ${{ matrix.config }}-${{ matrix.devMode.name }}
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	config: [Release, Debug]
	devMode:
	- {
	name: devMode,
	value: true
	}
	- {
	name: userMode,
	value: false
	}

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup .NET Core SDK
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: 8.X

	- name: Build Core
	run: \|
	dotnet build -c ${{ matrix.config }} /p:DeveloperMode=${{ matrix.devMode.value }} /p:IsNugetBuild=true
	timeout-minutes: 10

	- name: Build Analyzer
	run: dotnet build ./ProtoPromise.Analyzer/ProtoPromise.Analyzer -c ${{ matrix.config }}
	timeout-minutes: 10

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