fix settings/email html&css in less

public/ng/css/gogs.css

@@ -1761,7 +1761,6 @@ The register and sign-in page style
 #org-setting-form,
 #repo-setting-form,
 #user-profile-form,
-#add-email-form,
 .repo-setting-form {
   background-color: #FFF;
   padding: 30px 0;
@@ -1790,7 +1789,6 @@ The register and sign-in page style
 #org-setting-form .ipt,
 #repo-setting-form .ipt,
 #user-profile-form .ipt,
-#add-email-form .ipt,
 .repo-setting-form .ipt {
   width: 360px;
 }
@@ -1829,7 +1827,6 @@ The register and sign-in page style
 #repo-hooks-history-panel .setting-list li,
 #user-social-panel .setting-list li,
 #user-applications-panel .setting-list li,
-#user-email-panel .setting-list li,
 #user-ssh-panel .setting-list li {
   padding: 8px 20px;
   border-bottom: 1px solid #eaeaea;

public/ng/less/gogs/settings.less

@@ -35,6 +35,7 @@
 #org-setting-form,
 #repo-setting-form,
 #user-profile-form,
+#add-email-form,
 .repo-setting-form {
     background-color: #FFF;
     padding: 30px 0;
@@ -69,6 +70,7 @@
 #repo-hooks-history-panel,
 #user-social-panel,
 #user-applications-panel,
+#user-email-panel,
 #user-ssh-panel {
     margin-bottom: 20px;
     .setting-list {