fix links in menu (#1950)

Signed-off-by: Chris Abraham <[email protected]>

Author: cjyabraham

_includes/main_menu.html

@@ -26,7 +26,7 @@
             <span class="dropdown-title">Intro to PyTorch - YouTube Series</span>
             <p>Master PyTorch basics with our engaging YouTube tutorial series</p>
           </a>
-          <a class="nav-dropdown-item" href="/new/">
+          <a class="nav-dropdown-item" href="/new">
             <span class="dropdown-title">New to PyTorch Foundation</span>
           </a>
         </div>

_includes/mobile_menu.html

@@ -43,7 +43,7 @@
             <a href="https://pytorch.org/tutorials/beginner/introyt.html">Introduction to PyTorch - YouTube Series</a>
           </li>
           <li>
-            <a href="/new/">New to PyTorch Foundation</a>
+            <a href="/new">New to PyTorch Foundation</a>
           </li>
         </ul>
         <li class="resources-mobile-menu-title">