PS-502: Remove extraneous comma from web vault footer (#1697)

- removed comma from footer files

Co-authored-by: André Bispo <abispo@bitwarden.com>

src/app/layouts/footer.component.html

@@ -1,6 +1,6 @@
 <div class="container footer text-muted">
   <div class="row">
-    <div class="col">&copy; {{ year }}, Bitwarden Inc.</div>
+    <div class="col">&copy; {{ year }} Bitwarden Inc.</div>
     <div class="col text-center"></div>
     <div class="col text-right">
       {{ "versionNumber" | i18n: version }}

src/app/layouts/frontend-layout.component.html

@@ -1,5 +1,5 @@
 <router-outlet></router-outlet>
 <div class="container my-5 text-muted text-center">
-  &copy; {{ year }}, Bitwarden Inc. <br />
+  &copy; {{ year }} Bitwarden Inc. <br />
   {{ "versionNumber" | i18n: version }}
 </div>