Remove padding of InviteDialog

Closes element-hq/element-web#20631

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

res/css/views/dialogs/_InviteDialog.scss

@@ -273,15 +273,12 @@ limitations under the License.
 .mx_InviteDialog_other {
     // Prevent the dialog from jumping around randomly when elements change.
     height: 600px;
-    padding-left: 20px; // the design wants some padding on the left
 
     .mx_InviteDialog_addressBar {
         margin-right: 0;
     }
 
     .mx_InviteDialog_content {
-        padding-right: 20px; // same padding on the right
-
         .mx_InviteDialog_userSections {
             height: calc(100% - 115px); // mx_InviteDialog's height minus some for the upper and lower elements
             padding-right: 0;