Various readme failures

[MiYanni]

Various failures:

• $ref to original location not found in new refs collection #3546: $ref to original location could not be found in the new refs collection
• Azure/autorest.modelerfour#245: FATAL: Error: Not able to process media type JSON at this moment.
• fixed Cannot read property

FATAL: Failed validating: 'https://github.com/Azure/azure-rest-api-specs/blob/d9cf7c7ed3d674ebd482836e82b274014245ae67/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-11-01/costmanagement.json', error encountered: TypeError: Cannot read property 'properties' of undefined

• [Exception] No input files provided.
• Azure/autorest.modelerfour#246: FATAL: Error: Enum types of 'object' and format 'undefined' are not supported. Correct your input (DatasetCompressionLevel).
• FATAL: System.InvalidOperationException: Unable to find object property with serialized name value in schema StatusesDefault
• Error: Cannot resolve pipeline stage 'openapi-document/identity'.
• Azure/autorest.modelerfour#155: FATAL: Error: Not able to process media type / at this moment.
• Fixed: Bad indentation

Readmes affected:

• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cognitiveservices/data-plane/Face/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cognitiveservices/data-plane/LUIS/Authoring/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cost-management/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/datafactory/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/datalake-analytics/data-plane/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/intune/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/iotcentral/data-plane/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/machinelearning/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/marketplace/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/mixedreality/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/resources/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/service-map/resource-manager/readme.md
• https://github.com/Azure/azure-rest-api-specs/blob/master/specification/web/resource-manager/readme.md

[pakrym]

https://github.com/Azure/autorest.modelerfour/issues/245

[daviwil]

Crossed out some items that are already filed as issues and linked to them.