Revert "resources.conf.prod: Use different ARFCN for sysmocell-5k"

This reverts commit 91199a31377fe94a79376eca9232151a3f637bce.

Since we now support powercycling the SC5, we don't longer need to use a
different ARFCN for it.

Change-Id: Ie8b49c556c90b4a97a73695a93ac4108660a217f
diff --git a/example/resources.conf.prod b/example/resources.conf.prod
index e8fe2b0..0bf9f45 100644
--- a/example/resources.conf.prod
+++ b/example/resources.conf.prod
@@ -70,8 +70,7 @@
   band: GSM-1800
   ciphers: [a5_0, a5_1]
   trx_list:
-    - arfcn: 878
-      power_supply:
+    - power_supply:
         type: 'intellinet'
         device: '10.42.42.250'
         port: '5'
diff --git a/src/osmo_gsm_tester/resource.py b/src/osmo_gsm_tester/resource.py
index aa41b98..1b18076 100644
--- a/src/osmo_gsm_tester/resource.py
+++ b/src/osmo_gsm_tester/resource.py
@@ -60,7 +60,6 @@
         'bts[].num_trx': schema.UINT,
         'bts[].max_trx': schema.UINT,
         'bts[].trx_list[].addr': schema.IPV4,
-        'bts[].trx_list[].arfcn': schema.INT,
         'bts[].trx_list[].hw_addr': schema.HWADDR,
         'bts[].trx_list[].net_device': schema.STR,
         'bts[].trx_list[].nominal_power': schema.UINT,