Remove powerpc64le binaries from downloads

These are not being built by guix since bitcoin/bitcoin#27897

Author: achow101

_data/binaries.yaml

@@ -7,4 +7,4 @@ macarmtar: "arm64-apple-darwin.tar.gz"
 lin64: "x86_64-linux-gnu.tar.gz"
 riscv64: "riscv64-linux-gnu"
 ppc64: "powerpc64-linux-gnu"
-ppc64le: "powerpc64le-linux-gnu"
+#ppc64le: "powerpc64le-linux-gnu"

_includes/templates/download.html

@@ -90,8 +90,10 @@ <h2>{{ page.latestversion }} {{CURRENT_RELEASE}} <a type="application/rss+xml" h
         <span>
           <a href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}-{{ site.data.binaries.ppc64le }}.tar.gz" class="dl">PPC64 Linux</a>
             <span><a href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}-{{ site.data.binaries.ppc64 }}.tar.gz" class="dl" id="lin64ppc">64 bit</a>
+<!--
             -
             <a href="{{ PATH_PREFIX }}/{{ FILE_PREFIX }}-{{ site.data.binaries.ppc64le }}.tar.gz" class="dl" id="lin64ppcle">64 bit LE</a></span>
+-->
         </span>
       </div>
       <div>