project_data: Remove unused function

Author: ferdnyc

src/classes/project_data.py

@@ -396,15 +396,6 @@ def load(self, file_path, clear_thumbnails=True):
         from classes.app import get_app
         get_app().updates.load(self._data)
 
-    def scale_keyframe_value(self, original_value, scale_factor):
-        """Scale keyframe X coordinate by some factor, except for 1 (leave that alone)"""
-        if original_value == 1.0:
-            # This represents the first frame of a clip (so we want to maintain that)
-            return original_value
-        else:
-            # Round to nearest INT
-            return round(original_value * scale_factor)
-
     def rescale_keyframes(self, scale_factor):
         """Adjust all keyframe coordinates from previous FPS to new FPS (using a scale factor)
            and return scaled project data without modifing the current project."""