Remove unnecessary imports of global config mixin

app/javascript/v3/views/auth/signup/components/Signup/Form.vue

@@ -3,7 +3,6 @@ import { useVuelidate } from '@vuelidate/core';
 import { required, minLength, email } from '@vuelidate/validators';
 import { mapGetters } from 'vuex';
 import { useAlert } from 'dashboard/composables';
-import globalConfigMixin from 'shared/mixins/globalConfigMixin';
 import { DEFAULT_REDIRECT_URL } from 'dashboard/constants/globals';
 import VueHcaptcha from '@hcaptcha/vue-hcaptcha';
 import FormInput from '../../../../../components/Form/Input.vue';
@@ -20,7 +19,6 @@ export default {
     SubmitButton,
     VueHcaptcha,
   },
-  mixins: [globalConfigMixin],
   setup() {
     return { v$: useVuelidate() };
   },