Remove obsolete api-ipcs-enabled

Author: felipemadero

docs/examples.md

@@ -13,7 +13,6 @@ The network-runner supports avalanchego node configuration at different levels.
         "public-ip":"127.0.0.1",
         "health-check-frequency":"2s",
         "api-admin-enabled":true,
-        "api-ipcs-enabled":true,
         "index-enabled":true
         }
     ```

local/default/flags.json

@@ -4,7 +4,6 @@
   "public-ip":"127.0.0.1",
   "health-check-frequency":"2s",
   "api-admin-enabled":true,
-  "api-ipcs-enabled":true,
   "index-enabled":true,
   "log-display-level":"ERROR",
   "log-level": "DEBUG"

utils/json_test.go

@@ -17,7 +17,6 @@ func TestSetJSONKey(t *testing.T) {
 		"public-ip":"127.0.0.1",
 		"health-check-frequency":"2s",
 		"api-admin-enabled":true,
-		"api-ipcs-enabled":true,
 		"index-enabled":true,
 		"log-display-level":"INFO",
 		"log-level":"INFO",
@@ -34,7 +33,7 @@ func TestSetJSONKey(t *testing.T) {
 	err = json.Unmarshal([]byte(s), &m)
 	require.NoError(t, err)
 	// check if one-liner also works
-	bb := `{"api-admin-enabled":true,"api-ipcs-enabled":true,"db-dir":"/tmp/network-runner-root-data3856302950/node5/db-dir","health-check-frequency":"2s","index-enabled":true,"log-dir":"/tmp/network-runner-root-data3856302950/node5/log","log-display-level":"INFO","log-level":"INFO","network-max-reconnect-delay":"1s","network-peer-list-gossip-frequency":"250ms","plugin-dir":"/home/fabio/go/src/github.com/ava-labs/avalanchego/build/plugins","public-ip":"127.0.0.1","track-subnets":""}`
+	bb := `{"api-admin-enabled":true,"db-dir":"/tmp/network-runner-root-data3856302950/node5/db-dir","health-check-frequency":"2s","index-enabled":true,"log-dir":"/tmp/network-runner-root-data3856302950/node5/log","log-display-level":"INFO","log-level":"INFO","network-max-reconnect-delay":"1s","network-peer-list-gossip-frequency":"250ms","plugin-dir":"/home/fabio/go/src/github.com/ava-labs/avalanchego/build/plugins","public-ip":"127.0.0.1","track-subnets":""}`
 	ss, err := SetJSONKey(bb, "track-subnets", "d,e,f")
 	require.NoError(t, err)
 	require.Contains(t, s, `"track-subnets":"d,e,f"`)