A whole bunch of new usecases for managing IFC library information and references

src/ifcopenshell-python/ifcopenshell/api/library/remove_library.py

@@ -0,0 +1,14 @@
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {"library": None}
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        for reference in set(self.settings["library"].HasLibraryReferences or []):
+            self.file.remove(reference)
+        self.file.remove(self.settings["library"])
+        for rel in self.file.by_type("IfcRelAssociatesLibrary"):
+            if not rel.RelatingLibrary:
+                self.file.remove(rel)