public T deleteKey(long key) {
		try (LockHold hold = LockHold.lock(lock.writeLock())) {
			return keys.typedRemove(key);
		}
		catch (IOException e) {
			adapter.dbError(e);
			return null;
		}
	}
Delete the object with the given key

@param key the key
@return true if the key was removed, false for no effect
Ghidra/Debug/ProposedUtils/src/main/java/ghidra/util/database/DBCachedObjectStore.java