Delete unused download command general preference

I cannot find where it is used from the client. Not on gerrit@HEAD and
also not in 2.12 release. I stopped looking at older gerrit releases.

Change-Id: Ied6580b8bb2597561d0c42667db3021a1d32f75e

Documentation/rest-api-accounts.txt

diff --git a/Documentation/rest-api-accounts.txt b/Documentation/rest-api-accounts.txt
index bbbab54..3ff3371 100644
--- a/Documentation/rest-api-accounts.txt
+++ b/Documentation/rest-api-accounts.txt
@@ -1252,7 +1252,6 @@
     "changes_per_page": 25,
     "show_site_header": true,
     "use_flash_clipboard": true,
-    "download_command": "CHECKOUT",
     "date_format": "STD",
     "time_format": "HHMM_12",
     "diff_view": "SIDE_BY_SIDE",
@@ -1309,7 +1308,6 @@
     "show_site_header": true,
     "use_flash_clipboard": true,
     "expand_inline_diffs": true,
-    "download_command": "CHECKOUT",
     "date_format": "STD",
     "time_format": "HHMM_12",
     "size_bar_in_change_table": true,
@@ -1360,7 +1358,6 @@
     "show_site_header": true,
     "use_flash_clipboard": true,
     "expand_inline_diffs": true,
-    "download_command": "CHECKOUT",
     "date_format": "STD",
     "time_format": "HHMM_12",
     "size_bar_in_change_table": true,
@@ -2715,8 +2712,6 @@
 The type of download URL the user prefers to use. May be any key from
 the `schemes` map in
 link:rest-api-config.html#download-info[DownloadInfo].
-|`download_command`             ||
-The type of download command the user prefers to use.
 |`date_format`                  ||
 The format to display the date in.
 Allowed values are `STD`, `US`, `ISO`, `EURO`, `UK`.
@@ -2784,8 +2779,6 @@
 (PolyGerrit only).
 |`download_scheme`              |optional|
 The type of download URL the user prefers to use.
-|`download_command`             |optional|
-The type of download command the user prefers to use.
 |`date_format`                  |optional|
 The format to display the date in.
 Allowed values are `STD`, `US`, `ISO`, `EURO`, `UK`.

java/com/google/gerrit/extensions/client/GeneralPreferencesInfo.java

diff --git a/java/com/google/gerrit/extensions/client/GeneralPreferencesInfo.java b/java/com/google/gerrit/extensions/client/GeneralPreferencesInfo.java
index ce24dba..8eb54e1 100644
--- a/java/com/google/gerrit/extensions/client/GeneralPreferencesInfo.java
+++ b/java/com/google/gerrit/extensions/client/GeneralPreferencesInfo.java
@@ -136,8 +136,6 @@
   public Boolean useFlashClipboard;
   /** Type of download URL the user prefers to use. */
   public String downloadScheme;
-  /** Type of download command the user prefers to use. */
-  public DownloadCommand downloadCommand;
 
   public DateFormat dateFormat;
   public TimeFormat timeFormat;
@@ -213,7 +211,6 @@
     p.emailFormat = EmailFormat.HTML_PLAINTEXT;
     p.reviewCategoryStrategy = ReviewCategoryStrategy.NONE;
     p.downloadScheme = null;
-    p.downloadCommand = DownloadCommand.CHECKOUT;
     p.dateFormat = DateFormat.STD;
     p.timeFormat = TimeFormat.HHMM_12;
     p.expandInlineDiffs = false;

javatests/com/google/gerrit/acceptance/api/accounts/GeneralPreferencesIT.java

diff --git a/javatests/com/google/gerrit/acceptance/api/accounts/GeneralPreferencesIT.java b/javatests/com/google/gerrit/acceptance/api/accounts/GeneralPreferencesIT.java
index 7edb423..c905d3f 100644
--- a/javatests/com/google/gerrit/acceptance/api/accounts/GeneralPreferencesIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/accounts/GeneralPreferencesIT.java
@@ -24,7 +24,6 @@
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.DateFormat;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.DefaultBase;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.DiffView;
-import com.google.gerrit.extensions.client.GeneralPreferencesInfo.DownloadCommand;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.EmailFormat;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.EmailStrategy;
 import com.google.gerrit.extensions.client.GeneralPreferencesInfo.ReviewCategoryStrategy;
@@ -73,7 +72,6 @@
     i.changesPerPage *= -1;
     i.showSiteHeader ^= true;
     i.useFlashClipboard ^= true;
-    i.downloadCommand = DownloadCommand.REPO_DOWNLOAD;
     i.dateFormat = DateFormat.US;
     i.timeFormat = TimeFormat.HHMM_24;
     i.emailStrategy = EmailStrategy.DISABLED;