Remove Jinja2 checks since it is already an explicit dependency

conda_build/metadata.py

@@ -15,6 +15,7 @@
 from os.path import isdir, isfile, join
 from typing import TYPE_CHECKING, NamedTuple, overload
 
+import jinja2
 import yaml
 from bs4 import UnicodeDammit
 from conda.base.context import locate_prefix_by_name
@@ -30,7 +31,6 @@
     DependencyNeedsBuildingError,
     RecipeError,
     UnableToParse,
-    UnableToParseMissingJinja2,
 )
 from .features import feature_list
 from .license_family import ensure_valid_license_family
@@ -358,13 +358,6 @@ def yamlize(data):
     try:
         return yaml.load(data, Loader=StringifyNumbersLoader)
     except yaml.error.YAMLError as e:
-        if "{{" in data:
-            try:
-                import jinja2
-
-                jinja2  # Avoid pyflakes failure: 'jinja2' imported but unused
-            except ImportError:
-                raise UnableToParseMissingJinja2(original=e)
         print("Problematic recipe:", file=sys.stderr)
         print(data, file=sys.stderr)
         raise UnableToParse(original=e)
@@ -1918,17 +1911,6 @@ def _get_contents(
         permit_undefined_jinja: If True, *any* use of undefined jinja variables will
                                 evaluate to an emtpy string, without emitting an error.
         """
-        try:
-            import jinja2
-        except ImportError:
-            print("There was an error importing jinja2.", file=sys.stderr)
-            print(
-                "Please run `conda install jinja2` to enable jinja template support",
-                file=sys.stderr,
-            )  # noqa
-            with open(self.meta_path) as fd:
-                return fd.read()
-
         from .jinja_context import (
             FilteredLoader,
             UndefinedNeverFail,