fix space delete g tag

public/images/icons/slack/slack-logo-off.svg

@@ -2,7 +2,5 @@
   <defs>
     <style>.cls-1{fill:#9ba5af;}</style>
   </defs>
-    <g id="レイヤー_1-2" data-name="レイヤー 1">
-      <path class="cls-1" d="M94.12,283.1A47.06,47.06,0,1,1,47.06,236H94.12Zm23.72,0a47.06,47.06,0,1,1,94.12,0V400.94a47.06,47.06,0,1,1-94.12,0Zm47.06-189A47.06,47.06,0,1,1,212,47.06V94.12Zm0,23.72a47.06,47.06,0,0,1,0,94.12H47.06a47.06,47.06,0,0,1,0-94.12Zm189,47.06A47.06,47.06,0,1,1,400.94,212H353.88V164.9Zm-23.72,0a47.06,47.06,0,1,1-94.12,0V47.06a47.06,47.06,0,1,1,94.12,0V164.9Zm-47.06,189A47.06,47.06,0,1,1,236,400.94V353.88Zm0-23.72a47.06,47.06,0,0,1,0-94.12H400.94a47.06,47.06,0,0,1,0,94.12Z"/>
-    </g>
+  <path class="cls-1" d="M94.12,283.1A47.06,47.06,0,1,1,47.06,236H94.12Zm23.72,0a47.06,47.06,0,1,1,94.12,0V400.94a47.06,47.06,0,1,1-94.12,0Zm47.06-189A47.06,47.06,0,1,1,212,47.06V94.12Zm0,23.72a47.06,47.06,0,0,1,0,94.12H47.06a47.06,47.06,0,0,1,0-94.12Zm189,47.06A47.06,47.06,0,1,1,400.94,212H353.88V164.9Zm-23.72,0a47.06,47.06,0,1,1-94.12,0V47.06a47.06,47.06,0,1,1,94.12,0V164.9Zm-47.06,189A47.06,47.06,0,1,1,236,400.94V353.88Zm0-23.72a47.06,47.06,0,0,1,0-94.12H400.94a47.06,47.06,0,0,1,0,94.12Z"/>
 </svg>

public/images/icons/slack/slack-logo-on.svg

@@ -1 +1,6 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 448"><defs><style>.cls-1{fill:#af30b0;}</style></defs><g id="レイヤー_2" data-name="レイヤー 2"><g id="レイヤー_1-2" data-name="レイヤー 1"><path class="cls-1" d="M94.12,283.1A47.06,47.06,0,1,1,47.06,236H94.12Zm23.72,0a47.06,47.06,0,1,1,94.12,0V400.94a47.06,47.06,0,1,1-94.12,0Zm47.06-189A47.06,47.06,0,1,1,212,47.06V94.12Zm0,23.72a47.06,47.06,0,0,1,0,94.12H47.06a47.06,47.06,0,0,1,0-94.12Zm189,47.06A47.06,47.06,0,1,1,400.94,212H353.88V164.9Zm-23.72,0a47.06,47.06,0,1,1-94.12,0V47.06a47.06,47.06,0,1,1,94.12,0V164.9Zm-47.06,189A47.06,47.06,0,1,1,236,400.94V353.88Zm0-23.72a47.06,47.06,0,0,1,0-94.12H400.94a47.06,47.06,0,0,1,0,94.12Z"/></g></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 448">
+  <defs>
+    <style>.cls-1{fill:#af30b0;}</style>
+  </defs>
+  <path class="cls-1" d="M94.12,283.1A47.06,47.06,0,1,1,47.06,236H94.12Zm23.72,0a47.06,47.06,0,1,1,94.12,0V400.94a47.06,47.06,0,1,1-94.12,0Zm47.06-189A47.06,47.06,0,1,1,212,47.06V94.12Zm0,23.72a47.06,47.06,0,0,1,0,94.12H47.06a47.06,47.06,0,0,1,0-94.12Zm189,47.06A47.06,47.06,0,1,1,400.94,212H353.88V164.9Zm-23.72,0a47.06,47.06,0,1,1-94.12,0V47.06a47.06,47.06,0,1,1,94.12,0V164.9Zm-47.06,189A47.06,47.06,0,1,1,236,400.94V353.88Zm0-23.72a47.06,47.06,0,0,1,0-94.12H400.94a47.06,47.06,0,0,1,0,94.12Z"/>
+</svg>

src/client/js/components/SlackNotification.jsx

@@ -53,7 +53,6 @@ class SlackNotification extends React.Component {
               <label className="custom-control-label" htmlFor="slackSwitch">
               </label>
             </div>
-
           </label>
           <input
             className="form-control"
@@ -67,7 +66,6 @@ class SlackNotification extends React.Component {
             data-placement="top"
             onChange={this.updateSlackChannelsHandler}
           />
-
         </div>
       </div>
     );