remove 'more coming soon' from dev guides

_i18n/ar.yml

@@ -417,7 +417,6 @@ developer-guides:
   rpc: RPC Documentation
   daemonrpc: Daemon RPC Documentation
   walletrpc: Wallet RPC Documentation
-  soon: More coming soon...
 
 user-guides:
   translated: "yes"

_i18n/en.yml

@@ -417,7 +417,6 @@ developer-guides:
   rpc: RPC Documentation
   daemonrpc: Daemon RPC Documentation
   walletrpc: Wallet RPC Documentation
-  soon: More coming soon...
 
 user-guides:
   translated: "yes"

resources/developer-guides/index.md

@@ -14,11 +14,10 @@ permalink: /resources/developer-guides/index.html
             <h2>{% t developer-guides.rpc %}</h2>
             <p><a href="daemon-rpc.html">{% t developer-guides.daemonrpc %}</a></p>
             <p><a href="wallet-rpc.html">{% t developer-guides.walletrpc %}</a></p>
-            <p>{% t developer-guides.soon %}</p>
         </div>
     </section>
 </div>
 
 <div class="untranslated {% t developer-guides.translated %}">
     <p>{% t global.untranslated %} <a class="untranslated-link" href="https://repo.getmonero.org/monero-project/monero-site/blob/master/README.md#140-how-to-translate-a-page">README</a>.</p>
-</div>
\ No newline at end of file
+</div>