Pipelines shouldn't be handling range requests

api/r0/download.go

api/r0/thumbnail.go

api/unstable/info.go

api/unstable/local_copy.go

archival/entity_export.go

datastores/download.go

pipelines/_steps/download/open_stream.go

pipelines/_steps/quarantine/logic.go

pipelines/_steps/thumbnails/generate.go

pipelines/pipeline_download/pipeline.go

pipelines/pipeline_thumbnail/pipeline.go

redislib/cache.go