PR fixes to clean up syntax and variable names also to remove a change from another PR

Signed-off-by: jromnoa <80134229+jromnoa@users.noreply.github.com>

AutomatedTesting/Gem/PythonTests/Atom/atom_utils/atom_component_helper.py

@@ -77,20 +77,20 @@ def compare_screenshot_similarity(
     :return: Error string if compared mean value < similarity threshold or screenshot_directory is missing for .zip,
         otherwise it returns a "Screenshots match" string.
     """
-    error = "Screenshots match"
+    result = "Screenshots match"
     if create_zip_archive and not screenshot_directory:
-        error = 'You must specify a screenshot_directory in order to create a zip archive.\n'
+        result = 'You must specify a screenshot_directory in order to create a zip archive.\n'
 
     mean_similarity = compare_screenshots(test_screenshot, golden_image)
     if not mean_similarity > similarity_threshold:
         if create_zip_archive:
             create_screenshots_archive(screenshot_directory)
-        error = (
+        result = (
             f"When comparing the test_screenshot: '{test_screenshot}' "
             f"to golden_image: '{golden_image}' the mean similarity of '{mean_similarity}' "
             f"was lower than the similarity threshold of '{similarity_threshold}'. ")
 
-    return error
+    return result
 
 
 def create_basic_atom_level(level_name):

AutomatedTesting/Gem/PythonTests/Atom/atom_utils/atom_constants.py

@@ -218,7 +218,6 @@ class AtomComponentProperties:
         properties = {
             'name': 'HDR Color Grading',
             'requires': [AtomComponentProperties.postfx_layer()],
-            'Enable HDR color grading': 'Controller|Configuration|LUT Generation|Enable HDR color grading',
         }
         return properties[property]