removed aria-label attributes now that we are using a title attribute

Author: michaelchadwick

packages/ilios-common/addon/components/course/objective-list-item-parents.hbs

@@ -70,7 +70,6 @@
             <button
               class="expand-text-button"
               type="button"
-              aria-label={{t "general.expand"}}
               title={{t "general.expand"}}
               data-test-expand
               {{on "click" expand}}
@@ -82,7 +81,6 @@
           {{#if expanded}}
             <button
               class="expand-text-button"
-              aria-label={{t "general.collapse"}}
               title={{t "general.collapse"}}
               type="button"
               data-test-collapse

packages/ilios-common/addon/components/session/objective-list-item-parents.hbs

@@ -70,7 +70,6 @@
             <button
               class="expand-text-button"
               type="button"
-              aria-label={{t "general.expand"}}
               title={{t "general.expand"}}
               data-test-expand
               {{on "click" expand}}
@@ -82,7 +81,6 @@
           {{#if expanded}}
             <button
               class="expand-text-button"
-              aria-label={{t "general.collapse"}}
               title={{t "general.collapse"}}
               type="button"
               data-test-collapse