Closes academicpages#1911 with update to Academicons

Author: rjzupkoii

_includes/author-profile.html

@@ -48,10 +48,10 @@ <h3 class="author__name">{{ author.name }}</h3>
         <li><a href="{{ author.impactstory }}"><i class="ai ai-impactstory ai-fw"></i> Impactstory</a></li>
       {% endif %}
       {% if author.orcid %}
-        <li><a href="{{ author.orcid }}"><i class="ai ai-orcid-square ai-fw"></i> ORCID</a></li>
+        <li><a href="{{ author.orcid }}"><i class="ai ai-orcid ai-fw"></i> ORCID</a></li>
       {% endif %}
       {% if author.pubmed %}
-        <li><a href="{{ author.pubmed }}"><i class="ai ai-pubmed-square ai-fw"></i> PubMed</a></li>
+        <li><a href="{{ author.pubmed }}"><i class="ai ai-pubmed ai-fw"></i> PubMed</a></li>
       {% endif %}                        
       {% if author.researchgate %}
         <li><a href="{{ author.researchgate }}"><i class="fab fa-fw fa-researchgate" aria-hidden="true"></i> ResearchGate</a></li>

_sass/_utilities.scss

@@ -248,6 +248,7 @@ body:hover .visually-hidden button {
     color: $mastodon-color;
   }
 
+  .ai-orcid,
   .ai-orcid-square {
     color: $orcid-color;
   }