Fix validate-module sanity for stable 2.13 sanity job (#164)

* Fix validate-module sanity

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bradley A. Thornton <bthornto@redhat.com>

changelogs/fragments/sanity_fix.yaml

@@ -0,0 +1,3 @@
+---
+trivial:
+    - fix validate-module sanity tests.

plugins/lookup/get_path.py

@@ -15,7 +15,6 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: get_path
     author: Bradley Thornton (@cidrblock)
-    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Retrieve the value in a variable using a path
     description:

plugins/lookup/index_of.py

@@ -15,7 +15,6 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: index_of
     author: Bradley Thornton (@cidrblock)
-    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Find the indices of items in a list matching some criteria
     description:
@@ -27,6 +26,7 @@ DOCUMENTATION = """
       data:
         description: A list of items to enumerate and test against.
         type: list
+        elements: raw
         required: True
       test:
         description: >

plugins/lookup/to_paths.py

@@ -15,7 +15,6 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: to_paths
     author: Bradley Thornton (@cidrblock)
-    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Flatten a complex object into a dictionary of paths and values
     description:

plugins/lookup/validate.py

@@ -10,7 +10,6 @@ __metaclass__ = type
 DOCUMENTATION = """
     name: validate
     author: Ganesh Nalawade (@ganeshrn)
-    plugin_type: lookup
     version_added: "1.0.0"
     short_description: Validate data with provided criteria
     description: