fix: remove un-needed prysm vc check (ethereum#542)

Author: barnabasbusa

src/vc/prysm.star

@@ -36,16 +36,11 @@ def get_config(
         prysm_password_relative_filepath,
     )
 
-    if cl_context.client_name != constants.CL_TYPE.prysm:
-        beacon_grpc_url = beacon_http_url[7:]  # remove the "http://" prefix
-
     cmd = [
         "--accept-terms-of-use=true",  # it's mandatory in order to run the node
         "--chain-config-file="
         + constants.GENESIS_CONFIG_MOUNT_PATH_ON_CONTAINER
         + "/config.yaml",
-        "--beacon-rpc-provider=" + cl_context.beacon_grpc_url,
-        "--beacon-rest-api-provider=" + cl_context.beacon_grpc_url,
         "--wallet-dir=" + validator_keys_dirpath,
         "--wallet-password-file=" + validator_secrets_dirpath,
         "--suggested-fee-recipient=" + constants.VALIDATING_REWARDS_ACCOUNT,
@@ -70,7 +65,12 @@ def get_config(
     ]
 
     if cl_context.client_name != constants.CL_TYPE.prysm:
+        cmd.append("--beacon-rpc-provider=" + beacon_http_url)
+        cmd.append("--beacon-rest-api-provider=" + beacon_http_url)
         cmd.append("--enable-beacon-rest-api")
+    else:  # we are using Prysm CL
+        cmd.append("--beacon-rpc-provider=" + cl_context.beacon_grpc_url)
+        cmd.append("--beacon-rest-api-provider=" + cl_context.beacon_grpc_url)
 
     if len(extra_params) > 0:
         # this is a repeated<proto type>, we convert it into Starlark

src/vc/vc_launcher.star

@@ -161,13 +161,6 @@ def launch(
             keymanager_enabled=keymanager_enabled,
         )
     elif vc_type == constants.VC_TYPE.prysm:
-        # Prysm VC only works with Prysm beacon node right now
-        if cl_context.client_name != constants.CL_TYPE.prysm:
-            fail(
-                cl_context.client_name
-                + "Prysm VC is only compatible with Prysm beacon node"
-            )
-
         config = prysm.get_config(
             el_cl_genesis_data=launcher.el_cl_genesis_data,
             image=image,