Use BaseForm instead of specialized Vue component for step 1 of the application form

Remove unnecessary event listener

js/components/forms/new_application/environments.js

@@ -51,7 +51,6 @@ export default {
   },
 
   mounted: function() {
-    this.$root.$on('onEnvironmentAdded', this.addEnvironment)
     this.validate()
   },
 

js/components/forms/new_application/name_and_description.js

@@ -1,23 +0,0 @@
-import FormMixin from '../../../mixins/form'
-import textinput from '../../text_input'
-import * as R from 'ramda'
-
-export default {
-  name: 'application-name-and-description',
-
-  mixins: [FormMixin],
-
-  components: {
-    textinput,
-  },
-  created: function() {
-    this.$root.$on('field-change', this.handleFieldChange)
-    if (this.initialData) this.changed = true
-  },
-
-  data: function() {
-    return {
-      errors: [],
-    }
-  },
-}