Refactor teal.transform (part 2)

[donyunardi]

Related Issue and PR:

• Deprecate data_extract_spec #57
• [Feature Request]: Remove unneeded dependencies from {teal.transform} teal.transform#194
• WIP: POC Redesign extraction teal.transform#256

Tasks:

• setup PoC meeting with Pawel and Nina

Need to discuss:

• Support interchangeably filter_spec and select_spec for all Inputs teal.modules.general#135