remove unused code

trove/render/_rendering.py

@@ -2,8 +2,6 @@
 import dataclasses
 from typing import Iterator
 
-from primitive_metadata import primitive_rdf as rdf
-
 from trove import exceptions as trove_exceptions
 
 
@@ -47,23 +45,3 @@ def iter_content(self):
             raise trove_exceptions.CannotRenderStreamTwice
         self._started_already = True
         yield from self.content_stream
-
-
-@dataclasses.dataclass
-class LiteralRendering(ProtoRendering):
-    literal: rdf.Literal
-    # (TODO: languages)
-
-    @property
-    def mediatype(self) -> str:
-        try:
-            return next(
-                rdf.iri_minus_namespace(_iri, namespace=rdf.IANA_MEDIATYPE)
-                for _iri in self.literal.datatype_iris
-                if _iri in rdf.IANA_MEDIATYPE
-            )
-        except StopIteration:  # no mediatype iri
-            return 'text/plain; charset=utf-8'
-
-    def iter_content(self):
-        yield self.literal.unicode_value