푸터: 버전 정보 제거 및 간소화

TaxBaik.Web/Pages/Shared/_Footer.cshtml

@@ -1,20 +1,3 @@
-@{
-    string versionText = "unknown";
-    try
-    {
-        var versionFile = System.IO.Path.Combine(AppContext.BaseDirectory, "wwwroot", "version.txt");
-        if (System.IO.File.Exists(versionFile))
-        {
-            var content = System.IO.File.ReadAllText(versionFile).Trim();
-            versionText = content;
-        }
-    }
-    catch (Exception ex)
-    {
-        versionText = $"error: {ex.GetType().Name}";
-    }
-}
-
 <footer class="bg-light border-top mt-5 py-4">
     <div class="container">
         <div class="row g-4">
@@ -45,9 +28,6 @@
             <p>© 2026 백원숙 세무회계. All rights reserved.</p>
             <a href="/taxbaik/privacy" class="text-decoration-none text-muted me-2">개인정보처리방침</a>
             <a href="/taxbaik/terms" class="text-decoration-none text-muted">이용약관</a>
-            <div class="mt-2" style="font-size: 0.75rem; opacity: 0.7;">
-                🔄 버전: @versionText
-            </div>
         </div>
     </div>
 </footer>