remove round class from enterprise button

app/views/common/upsale.html.erb

@@ -35,7 +35,7 @@
     <%= t('admin.enterprise.upgrade_info') %>
     </p>
     <%= link_to( "https://www.openproject.org/contact-us/",
-                 { class: 'button -highlight-inverted -round',
+                 { class: 'button -highlight-inverted',
                    aria: {label: t('admin.enterprise.buttons.contact')},
                    target: '_blank',
                    title: t('admin.enterprise.buttons.contact')}) do %>
@@ -43,7 +43,7 @@
     <% end %>
 
     <%= link_to( "https://www.openproject.org/pricing/",
-                 { class: 'button -highlight -round',
+                 { class: 'button -highlight',
                    aria: {label: t('admin.enterprise.buttons.upgrade')},
                    target: '_blank',
                    title: t('admin.enterprise.buttons.upgrade')}) do %>

frontend/src/app/features/enterprise/free-trial-button/free-trial-button.component.html

@@ -2,7 +2,7 @@
   <button
     type="button"
     [disabled]="trialRequested"
-    class="button -alt-highlight -round"
+    class="button -alt-highlight"
     (click)="openTrialModal()"
   >
     {{ text.button_trial }}