Remove unused, deprecated /api/config/data API endpoints

- Use /api/health for server up check instead of api/config/default
- Remove unused `khoj--post-new-config' method
- Remove the now unused /config/data GET, POST API endpoints

src/interface/emacs/khoj.el

@@ -348,7 +348,7 @@ Auto invokes setup steps on calling main entrypoint."
       t
     ;; else general check via ping to khoj-server-url
     (if (ignore-errors
-          (url-retrieve-synchronously (format "%s/api/config/data/default" khoj-server-url)))
+          (url-retrieve-synchronously (format "%s/api/health" khoj-server-url)))
         ;; Successful ping to non-emacs khoj server indicates it is started and ready.
         ;; So update ready state tracker variable (and implicitly return true for started)
         (setq khoj--server-ready? t)
@@ -603,22 +603,6 @@ Use `BOUNDARY' to separate files. This is sent to Khoj server as a POST request.
 ;; --------------
 ;; Query Khoj API
 ;; --------------
-
-(defun khoj--post-new-config (config)
-  "Configure khoj server with provided CONFIG."
-  ;; POST provided config to khoj server
-  (let ((url-request-method "POST")
-        (url-request-extra-headers `(("Content-Type" . "application/json")
-                                     ("Authorization" . ,(format "Bearer %s" khoj-api-key))))
-        (url-request-data (encode-coding-string (json-encode-alist config) 'utf-8))
-        (config-url (format "%s/api/config/data" khoj-server-url)))
-    (with-current-buffer (url-retrieve-synchronously config-url)
-      (buffer-string)))
-  ;; Update index on khoj server after configuration update
-  (let ((khoj--server-ready? nil)
-        (url-request-extra-headers `(("Authorization" . ,(format "\"Bearer %s\"" khoj-api-key)))))
-    (url-retrieve (format "%s/api/update?client=emacs" khoj-server-url) #'identity)))
-
 (defun khoj--get-enabled-content-types ()
   "Get content types enabled for search from API."
   (let ((config-url (format "%s/api/config/types" khoj-server-url))

src/khoj/routers/api_config.py

@@ -97,49 +97,6 @@ def _initialize_config():
         state.config.search_type = SearchConfig.model_validate(constants.default_config["search-type"])
 
 
-@api_config.get("/data", response_model=FullConfig)
-@requires(["authenticated"])
-def get_config_data(request: Request):
-    user = request.user.object
-    EntryAdapters.get_unique_file_types(user)
-
-    return state.config
-
-
-@api_config.post("/data")
-@requires(["authenticated"])
-async def set_config_data(
-    request: Request,
-    updated_config: FullConfig,
-    client: Optional[str] = None,
-):
-    user = request.user.object
-    await map_config_to_db(updated_config, user)
-
-    configuration_update_metadata = {}
-
-    enabled_content = await sync_to_async(EntryAdapters.get_unique_file_types)(user)
-
-    if state.config.content_type is not None:
-        configuration_update_metadata["github"] = "github" in enabled_content
-        configuration_update_metadata["notion"] = "notion" in enabled_content
-        configuration_update_metadata["org"] = "org" in enabled_content
-        configuration_update_metadata["pdf"] = "pdf" in enabled_content
-        configuration_update_metadata["markdown"] = "markdown" in enabled_content
-
-    if state.config.processor is not None:
-        configuration_update_metadata["conversation_processor"] = state.config.processor.conversation is not None
-
-    update_telemetry_state(
-        request=request,
-        telemetry_type="api",
-        api="set_config",
-        client=client,
-        metadata=configuration_update_metadata,
-    )
-    return state.config
-
-
 @api_config.post("/data/content-source/github", status_code=200)
 @requires(["authenticated"])
 async def set_content_config_github_data(
@@ -322,11 +279,6 @@ async def update_search_model(
 
 
 # Create Routes
-@api_config.get("/data/default")
-def get_default_config_data():
-    return constants.empty_config
-
-
 @api_config.get("/index/size", response_model=Dict[str, int])
 @requires(["authenticated"])
 async def get_indexed_data_size(request: Request, common: CommonQueryParams):