Remove cypress test

- it is not part of the scope of this ticket, and therefore should be extracted and dealt with separately

cypress/integration/common/post.js

@@ -23,17 +23,3 @@ Then('the editor should be cleared', () => {
   cy.get('.ProseMirror p')
     .should('have.class', 'is-empty')
 })
-
-Then('I rapidly double click on the {string} button', text => {
-  cy.get('button').contains(text).click().click()
-})
-
-Then('I should see my comment once', () => {
-  cy.get('div.comment p')
-    .should('contain', 'Human Connection rocks')
-    .and('have.length', 1)
-    .get('.ds-avatar img')
-    .should('have.attr', 'src')
-    .and('contain', narratorAvatar)
-    .and('have.length', 1)
-})

cypress/integration/post/Comment.feature

@@ -20,14 +20,3 @@ Feature: Post Comment
     Then my comment should be successfully created
     And I should see my comment
     And the editor should be cleared
-
-  Scenario: Prevention of multiple comment creation
-    Given I visit "post/bWBjpkTKZp/101-essays"
-    And I type in the following text:
-    """
-    Human Connection rocks
-    """
-    And I rapidly double click on the "Comment" button
-    Then my comment should be successfully created
-    And I should see my comment once
-    And the editor should be cleared

webapp/components/comments/CommentForm/index.vue

@@ -79,7 +79,7 @@ export default {
     },
     handleSubmit() {
       this.loading = true
-      this.loading = false
+      this.disabled = true
       this.$apollo
         .mutate({
           mutation: gql`