Remove handling of change.allowDrafts

This setting applied to the Draft Workflow (draft patch sets), removed
in 2.15 (not to be confused with Draft Comments, which still exist).

Change-Id: Ibc413d7df2e8b28c30f29324c6fb39ab2ca0f007

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/config/ServerInfoIT.java

@@ -54,7 +54,6 @@ public class ServerInfoIT extends AbstractDaemonTest {
   @GerritConfig(name = "auth.httpPasswordUrl", value = "https://example.com/password")
 
   // change
-  @GerritConfig(name = "change.allowDrafts", value = "false")
   @GerritConfig(name = "change.largeChange", value = "300")
   @GerritConfig(name = "change.replyTooltip", value = "Publish votes and draft comments")
   @GerritConfig(name = "change.replyLabel", value = "Vote")
@@ -99,7 +98,6 @@ public class ServerInfoIT extends AbstractDaemonTest {
     assertThat(i.auth.httpPasswordUrl).isNull();
 
     // change
-    assertThat(i.change.allowDrafts).isNull();
     assertThat(i.change.largeChange).isEqualTo(300);
     assertThat(i.change.replyTooltip).startsWith("Publish votes and draft comments");
     assertThat(i.change.replyLabel).isEqualTo("Vote\u2026");
@@ -173,7 +171,6 @@ public class ServerInfoIT extends AbstractDaemonTest {
     assertThat(i.auth.httpPasswordUrl).isNull();
 
     // change
-    assertThat(i.change.allowDrafts).isTrue();
     assertThat(i.change.largeChange).isEqualTo(500);
     assertThat(i.change.replyTooltip).startsWith("Reply and score");
     assertThat(i.change.replyLabel).isEqualTo("Reply\u2026");

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/common/ChangeConfigInfo.java

@@ -17,7 +17,6 @@ package com.google.gerrit.extensions.common;
 public class ChangeConfigInfo {
   public Boolean allowBlame;
   public Boolean showAssigneeInChangesTable;
-  public Boolean allowDrafts;
   public Boolean disablePrivateChanges;
   public int largeChange;
   public String replyLabel;

gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/ServerInfo.java

@@ -60,8 +60,6 @@ public class ServerInfo extends JavaScriptObject {
   protected ServerInfo() {}
 
   public static class ChangeConfigInfo extends JavaScriptObject {
-    public final native boolean allowDrafts() /*-{ return this.allow_drafts || false; }-*/;
-
     public final native boolean allowBlame() /*-{ return this.allow_blame || false; }-*/;
 
     public final native int largeChange() /*-{ return this.large_change || 0; }-*/;

gerrit-server/src/main/java/com/google/gerrit/server/change/DeleteChangeOp.java

@@ -38,15 +38,10 @@ import java.io.IOException;
 import java.util.Collection;
 import java.util.Map;
 import java.util.Optional;
-import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.revwalk.RevWalk;
 
 class DeleteChangeOp implements BatchUpdateOp {
-  static boolean allowDrafts(Config cfg) {
-    return cfg.getBoolean("change", "allowDrafts", true);
-  }
-
   static ReviewDb unwrap(ReviewDb db) {
     // This is special. We want to delete exactly the rows that are present in
     // the database, even when reading everything else from NoteDb, so we need

gerrit-server/src/main/java/com/google/gerrit/server/config/GetServerInfo.java

@@ -222,7 +222,6 @@ public class GetServerInfo implements RestReadView<ConfigResource> {
   private ChangeConfigInfo getChangeInfo(Config cfg) {
     ChangeConfigInfo info = new ChangeConfigInfo();
     info.allowBlame = toBoolean(cfg.getBoolean("change", "allowBlame", true));
-    info.allowDrafts = toBoolean(cfg.getBoolean("change", "allowDrafts", true));
     boolean hasAssigneeInIndex =
         indexes.getSearchIndex().getSchema().hasField(ChangeField.ASSIGNEE);
     info.showAssigneeInChangesTable =

gerrit-server/src/main/java/com/google/gerrit/server/query/change/ChangeQueryBuilder.java

@@ -217,7 +217,6 @@ public class ChangeQueryBuilder extends QueryBuilder<ChangeData> {
     final Provider<ReviewDb> db;
     final StarredChangesUtil starredChangesUtil;
     final SubmitDryRun submitDryRun;
-    final boolean allowsDrafts;
 
     private final Provider<CurrentUser> self;
 
@@ -281,7 +280,6 @@ public class ChangeQueryBuilder extends QueryBuilder<ChangeData> {
           listMembers,
           starredChangesUtil,
           accountCache,
-          cfg == null ? true : cfg.getBoolean("change", "allowDrafts", true),
           notesMigration);
     }
 
@@ -313,7 +311,6 @@ public class ChangeQueryBuilder extends QueryBuilder<ChangeData> {
         Provider<ListMembers> listMembers,
         StarredChangesUtil starredChangesUtil,
         AccountCache accountCache,
-        boolean allowsDrafts,
         NotesMigration notesMigration) {
       this.db = db;
       this.queryProvider = queryProvider;
@@ -341,7 +338,6 @@ public class ChangeQueryBuilder extends QueryBuilder<ChangeData> {
       this.listMembers = listMembers;
       this.starredChangesUtil = starredChangesUtil;
       this.accountCache = accountCache;
-      this.allowsDrafts = allowsDrafts;
       this.hasOperands = hasOperands;
       this.notesMigration = notesMigration;
     }
@@ -375,7 +371,6 @@ public class ChangeQueryBuilder extends QueryBuilder<ChangeData> {
           listMembers,
           starredChangesUtil,
           accountCache,
-          allowsDrafts,
           notesMigration);
     }