Remove leftover learn gitlab B tracking

app/assets/javascripts/pages/projects/learn_gitlab/components/learn_gitlab_info_card.vue

@@ -64,15 +64,7 @@ export default {
       <img :src="svg" :alt="actionLabel" />
       <h6>{{ title }}</h6>
       <p class="gl-font-sm gl-text-gray-700">{{ description }}</p>
-      <gl-link
-        :href="url"
-        target="_blank"
-        rel="noopener noreferrer"
-        data-track-action="click_link"
-        :data-track-label="actionLabel"
-        data-track-property="Growth::Activation::Experiment::LearnGitLabB"
-        >{{ actionLabel }}</gl-link
-      >
+      <gl-link :href="url" target="_blank" rel="noopener noreferrer" />
     </div>
   </gl-card>
 </template>