## Description
Discussion can be found [[ https://meta.wikimedia.org/wiki/Abstract_Wikipedia/Semantics_of_validation_in_Wikifunctions#Implications_on_duck_typing | here ]].
**Desired behavior/Acceptance criteria (returned value, expected error, performance expectations, etc.)**
* JSON schema validators will no longer be used for type-checking in the orchestrator
* JSON schema validators will no longer be generated for complex objects in the orchestrator (only built-in types)
* the results of validation will be cached in order to deduplicate work
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**Remove all the non-applicable tags from the "Tags" field, leave only the tags of the projects/repositories related to this task**
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## Completion checklist
* [ ] Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist