sidebar: Removed Piped and Fedimint entries

These services have been shut down, therefore references to them should
stop being available.

public/assets/icons/fedimint.svg

@@ -1,13 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="79" height="79" viewBox="0 0 61 61">
-  <symbol id="logo-symbol-icon">
-    <defs>
-      <linearGradient id="a" x1="58.95" x2="96.69" y1="-275.37" y2="-237.63" gradientTransform="matrix(1 0 0 -1 -47.32 -226)" gradientUnits="userSpaceOnUse">
-        <stop offset="0" stop-color="#087857"/>
-        <stop offset="1" stop-color="#1ab680"/>
-      </linearGradient>
-    </defs>
-    <circle cx="30.5" cy="30.5" r="30.5" fill="#084e3b"/>
-    <circle cx="30.5" cy="30.5" r="26.69" fill="url(#a)"/>
-  </symbol>
-  <use xlink:href="#logo-symbol-icon"/>
-</svg>

public/index.html

@@ -57,7 +57,7 @@
             <td colspan="2">
               <marquee behavior="scroll">
                 <b>BREAKING NEWS:</b>
-                Fedimint and Piped will be shutting down on the 3rd of July, at
+                Fedimint and Piped have been shut down on the 3rd of July, at
                 12:00 P.M. EST
               </marquee>
             </td>
@@ -67,16 +67,6 @@
             <td valign="top">
               <table width="174">
                 <tbody>
-                  <tr>
-                    <td width="18">
-                      <img alt="Fedimint" src="/assets/icons/fedimint.gif">
-                    </td>
-
-                    <td bgcolor="#1ab680">
-                      <a href="https://fedi.mint.lgbt">Fedimint [JM]</a>
-                    </td>
-                  </tr>
-
                   <tr>
                     <td width="18">
                       <img alt="Element" src="/assets/icons/element.gif">
@@ -107,16 +97,6 @@
                     </td>
                   </tr>
 
-                  <tr>
-                    <td width="18">
-                      <img alt="Piped" src="/assets/icons/piped.gif">
-                    </td>
-
-                    <td bgcolor="#ef4444">
-                      <a href="https://piped.mint.lgbt">Piped [JM]</a>
-                    </td>
-                  </tr>
-
                   <tr>
                     <td width="18">
                       <img alt="Nitter" src="/assets/icons/nitter.gif">