Feature to create IfcTask trees for entities of IfcWorkSchedule

src/ifcopenshell-python/ifcopenshell/api/sequence/remove_task.py

@@ -0,0 +1,19 @@
+import ifcopenshell.api
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {"task": None}
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        # TODO: do a deep purge
+        ifcopenshell.api.run(
+            "project.unassign_declaration",
+            self.file,
+            definition=self.settings["task"],
+            relating_context=self.file.by_type("IfcContext")[0],
+        )
+        self.file.remove(self.settings["task"])