pw_build: Remove and refactor //pw_build/platforms #1664

	# Copyright 2024 The Pigweed Authors
	#
	# Licensed under the Apache License, Version 2.0 (the "License"); you may not
	# use this file except in compliance with the License. You may obtain a copy of
	# the License at
	#
	# https://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
	# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
	# License for the specific language governing permissions and limitations under
	# the License.

	name: bazel-noenv

	on:
	push

	jobs:
	bazel-build-test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: recursive
	- name: Get Bazel
	uses: bazel-contrib/setup-bazel@0.8.1
	with:
	# Avoid downloading Bazel every time.
	bazelisk-cache: true
	# Store build cache per workflow.
	disk-cache: ${{ github.workflow }}
	# Share repository cache between workflows.
	repository-cache: true
	- name: Bazel Build
	run: bazel build ...
	- name: Bazel Test
	run: bazel test ...

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