Remove JSON format and related accessors

Remove the JSON enum entry, the corresponding _Path JSON mapping, and the ModelFile.json property from linkml_model/linkml_files.py. This cleans up deprecated/duplicate JSON-specific symbols in favor of the existing JSONLD/JSON Schema representations and simplifies the set of supported formats.

Author: matentzn

linkml_model/linkml_files.py

@@ -35,7 +35,6 @@ class Format(_AutoName):
     """LinkML package formats"""
     EXCEL = auto()
     GRAPHQL = auto()
-    JSON = auto()
     JSONLD = auto()
     JSON_SCHEMA = auto()
     NATIVE_JSONLD = auto()
@@ -62,7 +61,6 @@ class _Path:
     """LinkML Relative paths — maps each Format to its directory and file extension."""
     EXCEL = _PathInfo("excel", "xlsx")
     GRAPHQL = _PathInfo("graphql", "graphql")
-    JSON = _PathInfo("json", "json")
     JSONLD = _PathInfo("jsonld", "context.jsonld")
     JSON_SCHEMA = _PathInfo("jsonschema", "schema.json")
     NATIVE_JSONLD = _PathInfo("jsonld", "model.context.jsonld")
@@ -215,10 +213,6 @@ def __repr__(self):
     def graphql(self) -> ModelLoc:
         return ModelFile.ModelLoc(self._model, Format.GRAPHQL)
 
-    @property
-    def json(self) -> ModelLoc:
-        return ModelFile.ModelLoc(self._model, Format.JSON)
-
     @property
     def jsonld(self) -> ModelLoc:
         return ModelFile.ModelLoc(self._model, Format.JSONLD)