Move all the gradual typing stuff into one folder

test/test_api/test_api.py

@@ -9,7 +9,7 @@ from pytest import raises
 from parso import cache
 
 from jedi import preload_module
-from jedi.plugins import typeshed
+from jedi.evaluate.gradual import typeshed
 
 
 def test_preload_modules():

test/test_plugin/test_stub.py

@@ -1,6 +1,6 @@
 import os
 
-from jedi.plugins import typeshed
+from jedi.evaluate.gradual import typeshed
 from jedi.evaluate.context import TreeInstance, BoundMethod, FunctionContext
 from parso.utils import PythonVersionInfo
 from jedi.evaluate.filters import TreeNameDefinition

test/test_settings.py

@@ -3,7 +3,7 @@ import pytest
 from jedi import settings
 from jedi.evaluate.filters import ContextName
 from jedi.evaluate.compiled import CompiledContextName
-from jedi.plugins.typeshed import StubOnlyModuleContext
+from jedi.evaluate.gradual.typeshed import StubOnlyModuleContext
 
 
 @pytest.fixture()