Update relative path imports to use '@' alias

- Add '@/' instead of '../../../'

Signed-off-by: Suren Neware <sneware9@in.ibm.com>
Change-Id: Ida1dc26f2bd62f38914a74b729ee8fd143c360ac
diff --git a/src/views/AccessControl/SslCertificates/ModalUploadCertificate.vue b/src/views/AccessControl/SslCertificates/ModalUploadCertificate.vue
index a97fa4d..63c3b4e 100644
--- a/src/views/AccessControl/SslCertificates/ModalUploadCertificate.vue
+++ b/src/views/AccessControl/SslCertificates/ModalUploadCertificate.vue
@@ -72,7 +72,7 @@
 
 <script>
 import { required, requiredIf } from 'vuelidate/lib/validators';
-import VuelidateMixin from '../../../components/Mixins/VuelidateMixin.js';
+import VuelidateMixin from '@/components/Mixins/VuelidateMixin.js';
 
 export default {
   mixins: [VuelidateMixin],