Remove unnecessary notistacks and dead terminal enable/disable code

- Remove 'Artikel angelegt.' snackbar from NewArticleTile
- Remove 'Kategorie angelegt.' snackbar from NewCategoryTile
- Remove dead handleEnableAllCategories method and binding from CompanySettingsDialog

src/components/CompanySettingsDialog.jsx

@@ -65,7 +65,6 @@ class CompanySettingsDialog extends Component {
     this.syncFormFromCompany = this.syncFormFromCompany.bind(this);
     this.handleCreateTerminal = this.handleCreateTerminal.bind(this);
     this.handleDeleteTerminal = this.handleDeleteTerminal.bind(this);
-    this.handleEnableAllCategories = this.handleEnableAllCategories.bind(this);
   }
 
   componentDidUpdate(prevProps) {
@@ -131,21 +130,6 @@ class CompanySettingsDialog extends Component {
     }
   }
 
-  async handleEnableAllCategories(terminal) {
-    try {
-      const hasCategories = terminal.categoryIds && terminal.categoryIds.length > 0;
-      if (hasCategories) {
-        await this.props.disableAllTerminalCategories({ terminalId: terminal.id }).unwrap();
-        enqueueSnackbar('Alle Kategorien für Terminal deaktiviert.', { variant: 'success' });
-      } else {
-        await this.props.enableAllTerminalCategories({ terminalId: terminal.id }).unwrap();
-        enqueueSnackbar('Alle Kategorien für Terminal aktiviert.', { variant: 'success' });
-      }
-    } catch (err) {
-      notifyError(err);
-    }
-  }
-
   async handleSubmit(event) {
     event.preventDefault();
     const { onClose } = this.props;

src/components/article/NewArticleTile.jsx

@@ -1,6 +1,5 @@
 import { Component } from 'react';
 import { connect } from 'react-redux';
-import { enqueueSnackbar } from 'notistack';
 import { ActionTile } from '../tiles';
 import { createArticle as createArticleThunk } from '../../store/categorySlice';
 import ArticleNameDialog from './ArticleNameDialog';
@@ -25,7 +24,6 @@ class NewArticleTile extends Component {
   async handleSubmit({ name }) {
     const { parentId } = this.props;
     const article = await this.props.createArticle({ parentId, name }).unwrap();
-    enqueueSnackbar('Artikel angelegt.', { variant: 'success' });
     if (article) {
       this.props.onOpenArticle?.(article);
     }

src/components/category/NewCategoryTile.jsx

@@ -1,6 +1,5 @@
 import { Component } from 'react';
 import { connect } from 'react-redux';
-import { enqueueSnackbar } from 'notistack';
 import { ActionTile } from '../tiles';
 import { createCategory as createCategoryThunk } from '../../store/categorySlice';
 import CategoryNameDialog from './CategoryNameDialog';
@@ -25,7 +24,6 @@ class NewCategoryTile extends Component {
   async handleSubmit({ name }) {
     const { parentId } = this.props;
     await this.props.createCategory({ parentId, name }).unwrap();
-    enqueueSnackbar('Kategorie angelegt.', { variant: 'success' });
   }
 
   render() {