Removed Custom HTML feature that does not work.

Thanks to xet7 !

Closes #2218

client/components/settings/settingBody.jade

@@ -184,12 +184,6 @@ template(name='layoutSettings')
       .title {{_ 'custom-product-name'}}
       .form-group
         input.wekan-form-control#product-name(type="text", placeholder="" value="{{currentSetting.productName}}")
-    li.layout-form
-      .title {{_ 'add-custom-html-after-body-start'}}
-      textarea#customHTMLafterBodyStart.wekan-form-control= currentSetting.customHTMLafterBodyStart
-    li.layout-form
-      .title {{_ 'add-custom-html-before-body-end'}}
-      textarea#customHTMLbeforeBodyEnd.wekan-form-control= currentSetting.customHTMLbeforeBodyEnd
     li
       button.js-save-layout.primary {{_ 'save'}}
 

client/components/settings/settingBody.js

@@ -171,20 +171,12 @@ BlazeComponent.extendComponent({
     const displayAuthenticationMethod =
       $('input[name=displayAuthenticationMethod]:checked').val() === 'true';
     const defaultAuthenticationMethod = $('#defaultAuthenticationMethod').val();
-    const customHTMLafterBodyStart = $('#customHTMLafterBodyStart')
-      .val()
-      .trim();
-    const customHTMLbeforeBodyEnd = $('#customHTMLbeforeBodyEnd')
-      .val()
-      .trim();
 
     try {
       Settings.update(Settings.findOne()._id, {
         $set: {
           productName,
           hideLogo: hideLogoChange,
-          customHTMLafterBodyStart,
-          customHTMLbeforeBodyEnd,
           displayAuthenticationMethod,
           defaultAuthenticationMethod,
         },

models/settings.js

@@ -33,14 +33,6 @@ Settings.attachSchema(
       type: String,
       optional: true,
     },
-    customHTMLafterBodyStart: {
-      type: String,
-      optional: true,
-    },
-    customHTMLbeforeBodyEnd: {
-      type: String,
-      optional: true,
-    },
     displayAuthenticationMethod: {
       type: Boolean,
       optional: true,

server/migrations.js

@@ -472,38 +472,6 @@ Migrations.add('add-hide-logo', () => {
   );
 });
 
-Migrations.add('add-custom-html-after-body-start', () => {
-  Settings.update(
-    {
-      customHTMLafterBodyStart: {
-        $exists: false,
-      },
-    },
-    {
-      $set: {
-        customHTMLafterBodyStart: '',
-      },
-    },
-    noValidateMulti,
-  );
-});
-
-Migrations.add('add-custom-html-before-body-end', () => {
-  Settings.update(
-    {
-      customHTMLbeforeBodyEnd: {
-        $exists: false,
-      },
-    },
-    {
-      $set: {
-        customHTMLbeforeBodyEnd: '',
-      },
-    },
-    noValidateMulti,
-  );
-});
-
 Migrations.add('add-displayAuthenticationMethod', () => {
   Settings.update(
     {