removed unneeded template from element role

roles/element/templates/config.json.j2

@@ -1,44 +0,0 @@
-{
-    "default_server_config": {
-        "m.homeserver": {
-            "base_url": "{{ matrix_external_url }}",
-            "server_name": "{{ matrix_domain }}"
-        }
-    },
-    "disable_custom_urls": true,
-    "disable_guests": true,
-    "disable_login_language_selector": false,
-    "disable_3pid_login": true,
-    "brand": "Element",
-    "integrations_ui_url": "https://scalar.vector.im/",
-    "integrations_rest_url": "https://scalar.vector.im/api",
-    "integrations_widgets_urls": [
-        "https://scalar.vector.im/_matrix/integrations/v1",
-        "https://scalar.vector.im/api",
-        "https://scalar-staging.vector.im/_matrix/integrations/v1",
-        "https://scalar-staging.vector.im/api",
-        "https://scalar-staging.riot.im/scalar/api"
-    ],
-    "bug_report_endpoint_url": "https://element.io/bugreports/submit",
-    "defaultCountryCode": "GB",
-    "showLabsSettings": false,
-    "default_federate": true,
-    "default_theme": "dark",
-    "roomDirectory": {
-        "servers": [
-            "{{ matrix_domain }}"
-        ]
-    },
-    "enable_presence_by_hs_url": {
-        "https://matrix.org": false,
-        "https://matrix-client.matrix.org": false
-    },
-    "settingDefaults": {
-        "breadcrumbs": true
-    },
-{% if jitsi_domain is defined %}
-    "jitsi": {
-        "preferredDomain": "{{ jitsi_domain }}"
-    }
-{% endif %}
-}