website: Fix Guest Binaries card link

The guest_binaries page url doesn't end with "/".

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I7c5bfe95d0616ace298f6a289a2cfdce61f1d0e4
diff --git a/index.html b/index.html
index b122f8f..c7e20f3 100755
--- a/index.html
+++ b/index.html
@@ -61,7 +61,7 @@
         <div class="card-body">
           <h5 class="card-title">Guest binaries</h5>
           <p class="card-text">Download guest binaries for Fullsystem and Syscall Emulation mode</p>
-          <a href="/documentation/general_docs/fullsystem/guest_binaries/" class="btn btn-primary">Go to Download page</a>
+          <a href="/documentation/general_docs/fullsystem/guest_binaries" class="btn btn-primary">Go to Download page</a>
         </div>
       </div>
     </div>