Copy partition util from fastcs_odin

src/fastcs_eiger/eiger_controller.py

@@ -12,7 +12,7 @@
 from PIL import Image
 
 from fastcs_eiger.http_connection import HTTPConnection, HTTPRequestError
-from fastcs_odin.util import partition  # we need to copy this or move it to FastCS
+from fastcs_eiger.util import partition
 
 # Keys to be ignored when introspecting the detector to create parameters
 IGNORED_KEYS = [