Revert "add head of research job posting"

This reverts commit 3bfa52d.

Author: adamjonas

_data/jobs.yml

@@ -1,5 +1,5 @@
 - department: Research
   job:
-    title: Head of Research
+    title: Postdoctoral Researcher - Cryptography
     location: New York City
-    link: https://chaincode.applytojob.com/apply/9WxU3MChgZ/Head-Of-Research
+    link: https://jobs.lever.co/chaincode/a6d9c801-822d-4ccf-a86c-c117992a5d2e

jobs.html

@@ -9,20 +9,20 @@
   </div>
   <h1>
     Open Roles (
-    <span class="jobs-number">1</span>
+    <span class="jobs-number">0</span>
     )
   </h1>
-  <div>
-    <h3 class="department">Research</h3>
+  <!-- <div>
+    <h3 class="department">Operations</h3>
     <a
-      href="https://chaincode.applytojob.com/apply/9WxU3MChgZ/Head-Of-Research"
+      href="https://chaincode.applytojob.com/apply/nKbJQrW2KR/Operations-Associate"
       target="_blank"
       rel="noopener"
     >
       <div class="role">
-        <p class="jobs-title">Head of Research</p>
+        <p class="jobs-title">Operations Associate</p>
         <p class="jobs-location">New York City</p>
       </div>
     </a>
-  </div>
+  </div> -->
 </div>