SyncServer - cleaned up unneeded configuration

local_id is accessible by get_local_site_id, shouldnt be visible in Settings
studio and local sites should be configured in Local Settings

pype/settings/defaults/project_settings/global.json

@@ -198,11 +198,10 @@
     "sync_server": {
         "enabled": true,
         "config": {
-            "local_id": "local_0",
             "retry_cnt": "3",
             "loop_delay": "60",
             "active_site": "studio",
-            "remote_site": "gdrive"
+            "remote_site": "studio"
         },
         "sites": {
             "gdrive": {
@@ -211,20 +210,6 @@
                 "root": {
                     "work": ""
                 }
-            },
-            "studio": {
-                "provider": "local_drive",
-                "credentials_url": "",
-                "root": {
-                    "work": ""
-                }
-            },
-            "local_0": {
-                "provider": "local_drive",
-                "credentials_url": "",
-                "root": {
-                    "work": ""
-                }
             }
         }
     }

pype/settings/entities/schemas/projects_schema/schema_project_syncserver.json

@@ -17,12 +17,6 @@
         "label": "Config",
         "collapsible": true,
         "children": [
-
-            {
-                "type": "text",
-                "key": "local_id",
-                "label": "Local ID"
-            },
             {
                 "type": "text",
                 "key": "retry_cnt",