Remove is_composition attribute from custom component

src/backend/langflow/interface/custom/custom_component/component.py

@@ -86,7 +86,6 @@ class Component:
             "beta": self.getattr_return_str,
             "documentation": self.getattr_return_str,
             "icon": self.validate_icon,
-            "is_composition": self.getattr_return_bool,
         }
 
         for attribute, func in attributes_func_mapping.items():

src/backend/langflow/interface/custom/custom_component/custom_component.py

@@ -35,9 +35,6 @@ class CustomComponent(Component):
     """The field configuration of the component. Defaults to an empty dictionary."""
     field_order: Optional[List[str]] = None
     """The field order of the component. Defaults to an empty list."""
-    is_composition: Optional[bool] = None
-    """Whether the component is used for composition.
-    This affects the style of the edge connecting the component to the next component. Defaults to None."""
     code_class_base_inheritance: ClassVar[str] = "CustomComponent"
     function_entrypoint_name: ClassVar[str] = "build"
     function: Optional[Callable] = None

src/backend/langflow/interface/custom/utils.py

@@ -270,7 +270,6 @@ def sanitize_template_config(template_config):
         "documentation",
         "output_types",
         "icon",
-        "is_composition",
     }
     for key in template_config.copy():
         if key not in attributes: