API Clean up deprecation notices (#11738)

Author: GuySartorelli

src/Forms/HTMLReadonlyField.php

@@ -2,6 +2,8 @@
 
 namespace SilverStripe\Forms;
 
+use SilverStripe\Dev\Deprecation;
+
 /**
  * Readonly field equivalent for literal HTML
  *
@@ -30,9 +32,11 @@ public function Field($properties = [])
      * Return value with all values encoded in html entities
      *
      * @return string Raw HTML
+     * @deprecated 5.4.0 Will be replaced by getFormattedValueEntities() in a future major release
      */
     public function ValueEntities()
     {
+        Deprecation::noticeWithNoReplacment('5.4.0', 'Will be replaced by getFormattedValueEntities() in a future major release');
         return htmlentities($this->Value() ?? '', ENT_COMPAT, 'UTF-8');
     }
 }

src/Forms/TextareaField.php

@@ -208,7 +208,7 @@ public function getSchemaValidation()
      * Return value with all values encoded in html entities
      *
      * @return string Raw HTML
-     * @deprecated 5.4.0 Use getFormattedValueEntities() instead
+     * @deprecated 5.4.0 Will be replaced by getFormattedValueEntities() in a future major release
      */
     public function ValueEntities()
     {