ui : fix eslint issues in chat form and model selector

tools/ui/src/lib/constants/settings-keys.constants.ts

@@ -57,7 +57,6 @@ export const SETTINGS_KEYS = {
 	SHOW_MODEL_ORG_NAME_IN_TRIGGER: 'showModelOrgNameInTrigger',
 	SHOW_MODEL_QUANTIZATION: 'showModelQuantization',
 	SHOW_MODEL_TAGS: 'showModelTags',
-	SHOW_MODEL_ORG_NAME_IN_TRIGGER: 'showModelOrgNameInTrigger',
 	SHOW_RAW_MODEL_NAMES: 'showRawModelNames',
 	SHOW_RAW_OUTPUT_SWITCH: 'showRawOutputSwitch',
 	SHOW_SYSTEM_MESSAGE: 'showSystemMessage',

tools/ui/src/lib/hooks/use-reasoning-menu.svelte.ts

@@ -92,9 +92,6 @@ export function useReasoningMenu(): UseReasoningMenuReturn {
 		get thinkingEnabled() {
 			return thinkingEnabled;
 		},
-		get isReasoningActive() {
-			return isReasoningActive;
-		},
 		tokenLabel(level: ReasoningEffortLevel): string | null {
 			if (level.value === ReasoningEffort.DEFAULT) return 'Model default';