Remove redundant installed_engines endpoint

src/api/api_server.py

@@ -380,16 +380,6 @@ def get_engine_for_filename():
         return f"Error: cannot find a suitable engine for '{filename}'", 400
     return found_engine.name()
 
-@server.get('/api/installed_engines')
-def get_installed_engines():
-    result = {}
-    for engine_class in EngineManager.supported_engines():
-        data = EngineManager.all_version_data_for_engine(engine_class.name())
-        if data:
-            result[engine_class.name()] = data
-    return result
-
-
 def _validated_engine_response_type():
     response_type = request.args.get('response_type', 'standard')
     if response_type not in ['full', 'standard']: