fix useless unclosed div tags

Signed-off-by: Stephen L. <[email protected]>

Author: lrq3000

_includes/sections/instant-messenger.html

@@ -61,7 +61,6 @@ <h3>Disadvantages</h3>
   </div>
 </div>
 
-<div>
   <h2 id="federated" class="anchor">
     <a href="#federated"><i class="fas fa-link anchor-icon"></i></a>
     Federated
@@ -113,7 +112,6 @@ <h3>Disadvantages</h3>
   </div>
 </div>
 
-<div>
   <h4>Worth Mentioning</h4>
 
   <ul>
@@ -161,11 +159,11 @@ <h2 id="peer-to-peer" class="anchor">
 <div class="container">
   <div class="row">
     <div class="col-md-6">
-    <h3>Advantages</h3>
-    <ul>
-      <li>Minimal information is exposed to third parties.</li>
-      <li>Modern P2P platforms implement end-to-end encryption by default. There are no servers that could potentially intercept and decrypt your transmissions, unlike centralized and federated models.</li>
-    </ul>
+      <h3>Advantages</h3>
+      <ul>
+        <li>Minimal information is exposed to third parties.</li>
+        <li>Modern P2P platforms implement end-to-end encryption by default. There are no servers that could potentially intercept and decrypt your transmissions, unlike centralized and federated models.</li>
+      </ul>
     </div>
     <div class="col-md-6">
       <h3>Disadvantages</h3>
@@ -207,10 +205,10 @@ <h2 id="nodal" class="anchor">
   <div class="row">
     <div class="col-md-6">
     <h3>Advantages</h3>
-    <ul>
-      <li>Minimal to no information is exposed to third parties.</li>
-      <li>Messages can be relayed even if one of the parties is offline.</li>
-    </ul>
+      <ul>
+        <li>Minimal to no information is exposed to third parties.</li>
+        <li>Messages can be relayed even if one of the parties is offline.</li>
+      </ul>
     </div>
     <div class="col-md-6">
       <h3>Disadvantages</h3>