Revert "Add RSS icon to archive pages (#1156)" (#1183)

This reverts commit a636c9eaee.

layouts/_default/archives.html

@@ -1,19 +1,7 @@
 {{- define "main" }}
 
 <header class="page-header">
-  <h1>
-        {{ .Title }}
-        {{- if and (or (eq .Kind `term`) (eq .Kind `section`)) (.Param "ShowRssButtonInSectionTermList") }}
-        <a href="index.xml" title="RSS" aria-label="RSS">
-        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
-            stroke-linecap="round" stroke-linejoin="round" height="23">
-            <path d="M4 11a9 9 0 0 1 9 9" />
-            <path d="M4 4a16 16 0 0 1 16 16" />
-            <circle cx="5" cy="19" r="1" />
-        </svg>
-        </a>
-        {{- end }}
-    </h1>
+  <h1>{{ .Title }}</h1>
   {{- if .Description }}
   <div class="post-description">
     {{ .Description }}