Revert "Add a note about multi-project changes"

This reverts commit 53b25b2.

Author: mark-vieira

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/analysis/Verifier.java

@@ -8,7 +8,6 @@
 package org.elasticsearch.xpack.esql.analysis;
 
 import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.core.FixForMultiProject;
 import org.elasticsearch.license.XPackLicenseState;
 import org.elasticsearch.xpack.esql.LicenseAware;
 import org.elasticsearch.xpack.esql.capabilities.PostAnalysisPlanVerificationAware;
@@ -57,7 +56,6 @@
  * step does type resolution and fails queries based on invalid type expressions.
  */
 public class Verifier {
-    @FixForMultiProject(description = "The settings passed here will need to be per-project")
     public interface ExtraCheckers {
         /**
          * Build a list of checks to perform on the plan. Each one is called once per