MAINT: Better warning.

src/linkahead/configuration.py

@@ -133,7 +133,7 @@ def _read_config_files() -> list[str]:
                       f"    {ini_cwd_caosdb}\nto\n    {ini_cwd}", DeprecationWarning)
     if "PYCAOSDBINI" in environ:
         warnings.warn("\n\nYou have an environment variable PYCAOSDBINI. "
-                      f"Please rename it to PYLINKAHEADINI.", DeprecationWarning)
+                      "Please rename it to PYLINKAHEADINI.")
     # End: LinkAhead rename block ##################################################
 
     if "PYLINKAHEADINI" in environ: