chore: remove unused system info functionality

- Deleted `system-info.ts` as it is no longer needed in the codebase.
- No changes made to `workday-utils.ts`, just added a new line for consistency.

actions/system-info.ts

@@ -1,16 +0,0 @@
-'use server';
-
-import { SystemInfoService } from '@/services/system-info';
-
-export async function getSystemInfo() {
-  try {
-    const systemInfo = await SystemInfoService.getSystemInfo();
-    return { success: true, data: systemInfo };
-  } catch (error) {
-    console.error('Error getting system info:', error);
-    return { 
-      success: false, 
-      error: error instanceof Error ? error.message : 'Failed to get system info' 
-    };
-  }
-}

lib/workday-utils.ts

@@ -80,3 +80,4 @@ export function getDayName(date: Date): string {
   const days = ['Dimanche', 'Lundi', 'Mardi', 'Mercredi', 'Jeudi', 'Vendredi', 'Samedi'];
   return days[date.getDay()];
 }
+