Make color extractor single config entry (#115016)

* Make color extractor single config entry

* Make color extractor single config entry

* Fix

homeassistant/components/color_extractor/config_flow.py

@@ -18,10 +18,6 @@ class ColorExtractorConfigFlow(ConfigFlow, domain=DOMAIN):
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Handle a flow initialized by the user."""
-        if self._async_current_entries():
-            return self.async_abort(reason="single_instance_allowed")
-
         if user_input is not None:
             return self.async_create_entry(title=DEFAULT_NAME, data={})
-
         return self.async_show_form(step_id="user")

homeassistant/components/color_extractor/manifest.json

@@ -4,5 +4,6 @@
   "codeowners": ["@GenericStudent"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/color_extractor",
-  "requirements": ["colorthief==0.2.1"]
+  "requirements": ["colorthief==0.2.1"],
+  "single_config_entry": true
 }

homeassistant/components/color_extractor/strings.json

@@ -4,9 +4,6 @@
       "user": {
         "description": "[%key:common::config_flow::description::confirm_setup%]"
       }
-    },
-    "abort": {
-      "single_instance_allowed": "[%key:common::config_flow::abort::single_instance_allowed%]"
     }
   },
   "services": {

homeassistant/generated/integrations.json

@@ -957,7 +957,8 @@
     "color_extractor": {
       "name": "ColorExtractor",
       "integration_type": "hub",
-      "config_flow": true
+      "config_flow": true,
+      "single_config_entry": true
     },
     "comed": {
       "name": "Commonwealth Edison (ComEd)",