openlane: user_project_wrapper: remove duplicate fields

These fields are duplicated. Remove them.

Signed-off-by: Sean Cross <sean@xobs.io>

openlane/user_project_wrapper/config.json

diff --git a/openlane/user_project_wrapper/config.json b/openlane/user_project_wrapper/config.json
index 220a411..aed45b8 100644
--- a/openlane/user_project_wrapper/config.json
+++ b/openlane/user_project_wrapper/config.json
@@ -71,8 +71,6 @@
      },
     "pdk::gf180mcuC": {
         "STD_CELL_LIBRARY": "gf180mcu_fd_sc_mcu7t5v0",
-        "FP_PDN_CHECK_NODES": 0,
-        "FP_PDN_ENABLE_RAILS": 0,
         "RT_MAX_LAYER": "Metal4",
         "DIE_AREA": "0 0 3000 3000",
         "FP_DEF_TEMPLATE": "dir::fixed_dont_change/user_project_wrapper_gf180mcu.def",