refactor: drop qAsConst conditional compile

since we need Qt 5.7 at least

Author: CoelacanthusHex

makespec/BUILDVERSION

@@ -1 +1 @@
-92
+93

src/addtestcaseswizard.cpp

@@ -15,10 +15,6 @@
 #include <QMessageBox>
 #include <algorithm>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#define qAsConst
-#endif
-
 AddTestCasesWizard::AddTestCasesWizard(QWidget *parent) : QWizard(parent), ui(new Ui::AddTestCasesWizard) {
 	ui->setupUi(this);
 	ui->fullScore->setValidator(new QIntValidator(1, Settings::upperBoundForFullScore(), this));

src/base/LemonTranslator.cpp

@@ -38,12 +38,7 @@ namespace Lemon::common {
 	void LemonTranslator::refreshTranslations() {
 		searchPaths = getLanguageSearchPaths();
 		languages.clear();
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-		for (const auto &path : searchPaths)
-#else
-		for (const auto &path : qAsConst(searchPaths))
-#endif
-		{
+		for (const auto &path : qAsConst(searchPaths)) {
 			languages << QDir(path).entryList({"*.qm"}, QDir::Hidden | QDir::Files);
 		}
 		std::transform(languages.begin(), languages.end(), languages.begin(),
@@ -53,12 +48,7 @@ namespace Lemon::common {
 	}
 
 	auto LemonTranslator::InstallTranslation(const QString &code) -> bool {
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-		for (const auto &path : searchPaths)
-#else
-		for (const auto &path : qAsConst(searchPaths))
-#endif
-		{
+		for (const auto &path : qAsConst(searchPaths)) {
 			if (FileExistsIn(QDir(path), code + ".qm")) {
 				DEBUG("Found " + code + " in folder: " + path);
 				QTranslator *translatorNew = new QTranslator();

src/core/testcase.cpp

@@ -10,10 +10,6 @@
 //
 #include "base/settings.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#define qAsConst
-#endif
-
 TestCase::TestCase(QObject *parent) : QObject(parent) {}
 
 void TestCase::copyTo(TestCase *to) {

src/exttestcasemodifier.cpp

@@ -12,10 +12,6 @@
 #include "core/testcase.h"
 #include "exttestcaseupdaterdialog.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#define qAsConst
-#endif
-
 ExtTestCaseModifier::ExtTestCaseModifier(QWidget *parent) : QWidget(parent), ui(new Ui::ExtTestCaseModifier) {
 	ui->setupUi(this);
 

src/exttestcasetable.cpp

@@ -12,10 +12,6 @@
 //
 #include <QHeaderView>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#define qAsConst
-#endif
-
 ExtTestCaseTable::ExtTestCaseTable(QWidget * /*parent*/) {
 	clear();
 

src/exttestcaseupdaterdialog.cpp

@@ -15,10 +15,6 @@
 #include <QMessageBox>
 #include <QValidator>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#define qAsConst
-#endif
-
 ExtTestCaseUpdaterDialog::ExtTestCaseUpdaterDialog(QWidget *parent, Task *nowTask,
                                                    const Settings *nowSettings, int nowCaseNumber,
                                                    int editScore, int editData, int editTime, int editMemory,