Remove redundant 'private' modifier on constructors

Enum constructors are by default private, so it is not necessary
to explicitly declare them as so.

Change-Id: I871a84ef4950882a27b1d808e68af588a66fbdea

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/client/GerritTopMenu.java

@@ -19,7 +19,7 @@ public enum GerritTopMenu {
 
   public final String menuName;
 
-  private GerritTopMenu() {
+  GerritTopMenu() {
     menuName = name().substring(0, 1) + name().substring(1).toLowerCase();
   }
 }

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/client/ListChangesOption.java

@@ -70,7 +70,7 @@ public enum ListChangesOption {
 
   private final int value;
 
-  private ListChangesOption(int v) {
+  ListChangesOption(int v) {
     this.value = v;
   }
 

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/client/ListGroupsOption.java

@@ -26,7 +26,7 @@ public enum ListGroupsOption {
 
   private final int value;
 
-  private ListGroupsOption(int v) {
+  ListGroupsOption(int v) {
     this.value = v;
   }
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/change/RelatedChanges.java

@@ -137,7 +137,7 @@ public class RelatedChanges extends TabPanel {
     abstract String getTitle(int count);
     abstract String getTitle(String count);
 
-    private Tab(String defaultTitle, String tooltip) {
+    Tab(String defaultTitle, String tooltip) {
       this.defaultTitle = defaultTitle;
       this.tooltip = tooltip;
     }

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/Change.java

@@ -356,7 +356,7 @@ public final class Change {
     private final boolean closed;
     private final ChangeStatus changeStatus;
 
-    private Status(char c, ChangeStatus cs) {
+    Status(char c, ChangeStatus cs) {
       code = c;
       closed = !(MIN_OPEN <= c && c <= MAX_OPEN);
       changeStatus = cs;

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/Patch.java

@@ -89,7 +89,7 @@ public final class Patch {
 
     private final char code;
 
-    private ChangeType(final char c) {
+    ChangeType(final char c) {
       code = c;
     }
 
@@ -148,7 +148,7 @@ public final class Patch {
 
     private final char code;
 
-    private PatchType(final char c) {
+    PatchType(final char c) {
       code = c;
     }
 

gerrit-reviewdb/src/main/java/com/google/gerrit/reviewdb/client/PatchLineComment.java

@@ -67,7 +67,7 @@ public final class PatchLineComment {
 
     private final char code;
 
-    private Status(final char c) {
+    Status(final char c) {
       code = c;
     }
 

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

@@ -31,7 +31,7 @@ public enum ArchiveFormat {
   private final ArchiveCommand.Format<?> format;
   private final String mimeType;
 
-  private ArchiveFormat(String mimeType, ArchiveCommand.Format<?> format) {
+  ArchiveFormat(String mimeType, ArchiveCommand.Format<?> format) {
     this.format = format;
     this.mimeType = mimeType;
     ArchiveCommand.registerFormat(name(), format);

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

@@ -403,7 +403,7 @@ public class GetDiff implements RestReadView<FileResource> {
 
     private final DiffPreferencesInfo.Whitespace whitespace;
 
-    private IgnoreWhitespace(DiffPreferencesInfo.Whitespace whitespace) {
+    IgnoreWhitespace(DiffPreferencesInfo.Whitespace whitespace) {
       this.whitespace = whitespace;
     }
   }

gerrit-server/src/main/java/com/google/gerrit/server/git/strategy/CommitMergeStatus.java

@@ -59,7 +59,7 @@ public enum CommitMergeStatus {
 
   private String message;
 
-  private CommitMergeStatus(String message) {
+  CommitMergeStatus(String message) {
     this.message = message;
   }
 

gerrit-server/src/main/java/com/google/gerrit/server/notedb/ReviewerStateInternal.java

@@ -49,7 +49,7 @@ public enum ReviewerStateInternal {
   private final FooterKey footerKey;
   private final ReviewerState state;
 
-  private ReviewerStateInternal(FooterKey footerKey, ReviewerState state) {
+  ReviewerStateInternal(FooterKey footerKey, ReviewerState state) {
     this.footerKey = footerKey;
     this.state = state;
   }