[v7] remove deprecated envs

[crazy-max]

build-push-action/src/main.ts

Lines 268 to 270 in 8913706

	if (process.env.DOCKER_BUILD_NO_SUMMARY) {
	core.warning('DOCKER_BUILD_NO_SUMMARY is deprecated. Set DOCKER_BUILD_SUMMARY to false instead.');
	return !Util.parseBool(process.env.DOCKER_BUILD_NO_SUMMARY);

build-push-action/src/main.ts

Lines 286 to 288 in 8913706

	if (process.env.DOCKER_BUILD_EXPORT_RETENTION_DAYS) {
	core.warning('DOCKER_BUILD_EXPORT_RETENTION_DAYS is deprecated. Use DOCKER_BUILD_RECORD_RETENTION_DAYS instead.');
	val = process.env.DOCKER_BUILD_EXPORT_RETENTION_DAYS;