Git: clean forward declaration

Change-Id: Ic8e988d9fa27f9e92fdcfe111220a5c929998afb
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/git/branchdialog.h

@@ -36,7 +36,6 @@ namespace Internal {
 
 namespace Ui { class BranchDialog; }
 
-class BranchAddDialog;
 class BranchModel;
 
 /**

src/plugins/git/changeselectiondialog.h

@@ -33,10 +33,6 @@
 #include <QProcessEnvironment>
 
 QT_BEGIN_NAMESPACE
-class QPushButton;
-class QLabel;
-class QLineEdit;
-class QPlainTextEdit;
 class QProcess;
 class QStringListModel;
 QT_END_NAMESPACE

src/plugins/git/gerrit/gerritmodel.h

@@ -32,10 +32,6 @@
 #include <QSharedPointer>
 #include <QDateTime>
 
-QT_BEGIN_NAMESPACE
-class QUrl;
-QT_END_NAMESPACE
-
 namespace Gerrit {
 namespace Internal {
 class QueryContext;

src/plugins/git/gerrit/gerritplugin.h

@@ -32,10 +32,6 @@
 #include <QSharedPointer>
 #include <QPair>
 
-QT_BEGIN_NAMESPACE
-class QAction;
-QT_END_NAMESPACE
-
 namespace Core {
 class ActionContainer;
 class Command;

src/plugins/git/gitclient.h

@@ -53,7 +53,6 @@ namespace VcsBase {
 }
 
 namespace DiffEditor {
-class DiffEditorDocument;
 class DiffEditorController;
 }
 

src/plugins/git/giteditor.h

@@ -29,10 +29,6 @@
 
 #include <QRegExp>
 
-QT_BEGIN_NAMESPACE
-class QVariant;
-QT_END_NAMESPACE
-
 namespace Git {
 namespace Internal {
 

src/plugins/git/gitplugin.h

@@ -39,9 +39,7 @@
 #include <functional>
 
 QT_BEGIN_NAMESPACE
-class QFile;
 class QAction;
-class QFileInfo;
 QT_END_NAMESPACE
 
 namespace Core {
@@ -61,7 +59,6 @@ namespace Internal {
 
 class GitVersionControl;
 class GitClient;
-class GitSubmitEditor;
 class CommitData;
 class StashDialog;
 class BranchDialog;

src/plugins/git/gitsubmiteditor.h

@@ -37,7 +37,6 @@ namespace VcsBase { class SubmitFileModel; }
 namespace Git {
 namespace Internal {
 
-class GitClient;
 class GitSubmitEditorWidget;
 class GitSubmitEditorPanelData;
 

src/plugins/git/mergetool.h

@@ -36,8 +36,6 @@ QT_END_NAMESPACE
 namespace Git {
 namespace Internal {
 
-class GitClient;
-
 class MergeTool : public QObject
 {
     Q_OBJECT

src/plugins/git/remotemodel.h

@@ -32,8 +32,6 @@
 namespace Git {
 namespace Internal {
 
-class GitClient;
-
 class RemoteModel : public QAbstractTableModel {
     Q_OBJECT
 public:

src/plugins/git/settingspage.h

@@ -32,10 +32,6 @@
 #include <QPointer>
 #include <QWidget>
 
-QT_BEGIN_NAMESPACE
-class QSettings;
-QT_END_NAMESPACE
-
 namespace VcsBase {
 class VcsBaseClientSettings;
 } // namespace VcsBase

src/plugins/git/stashdialog.h

@@ -30,7 +30,6 @@
 QT_BEGIN_NAMESPACE
 class QSortFilterProxyModel;
 class QPushButton;
-class QModelIndex;
 QT_END_NAMESPACE
 
 namespace Git {