Revert "Introduce JSON Formatte directive"

This reverts commit 909aa7a1a4a4ddbdf889ade3c3329bb7aca76cf6.
Revert "Add JSON formatter to try operation"

This reverts commit 450b6fbc8a3f864dea5437ee4f04d90dc52777fb.
remove splitview'
Introduce jsonFormatter and use json-formatter directive for schema
model