Remove the test of null pointer for delete

Since deleting a null pointer just does nothing:
https://isocpp.org/wiki/faq/freestore-mgmt#delete-handles-null

PowerEditor/src/NppBigSwitch.cpp

@@ -1350,12 +1350,9 @@ LRESULT Notepad_plus::process(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 		case NPPM_INTERNAL_FINDKEYCONFLICTS:
 		{
 			if (not wParam || not lParam) // Clean up current session
-			{
-				if (_pShortcutMapper != nullptr)
 			{
 				delete _pShortcutMapper;
 				_pShortcutMapper = nullptr;
-				}
 				return TRUE;
 			}
 

PowerEditor/src/Parameters.cpp

@@ -883,7 +883,6 @@ NppParameters::~NppParameters()
 
 bool NppParameters::reloadStylers(TCHAR* stylePath)
 {
-	if (_pXmlUserStylerDoc)
 	delete _pXmlUserStylerDoc;
 
 	const TCHAR* stylePathToLoad = stylePath != nullptr ? stylePath : _stylerPath.c_str();
@@ -937,7 +936,6 @@ bool NppParameters::reloadLang()
 			return false;
 	}
 
-	if (_pXmlNativeLangDocA)
 	delete _pXmlNativeLangDocA;
 
 	_pXmlNativeLangDocA = new TiXmlDocumentA();

PowerEditor/src/ScitillaComponent/AutoCompletion.cpp

@@ -772,7 +772,6 @@ bool AutoCompletion::setLanguage(LangType language) {
 	wcscat_s(path, getApiFileName());
 	wcscat_s(path, TEXT(".xml"));
 
-	if (_pXmlFile)
 	delete _pXmlFile;
 
 	_pXmlFile = new TiXmlDocument(path);

PowerEditor/src/ScitillaComponent/AutoCompletion.h

@@ -62,7 +62,6 @@ public:
 	};
 
 	~AutoCompletion(){
-		if (_pXmlFile)
 		delete _pXmlFile;
 	};
 

PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp

@@ -233,7 +233,6 @@ const int STYLING_MASK = 255;
 FindReplaceDlg::~FindReplaceDlg()
 {
 	_tab.destroy();
-	if (_pFinder)
 	delete _pFinder;
 	for (int n = static_cast<int32_t>(_findersOfFinder.size()) - 1; n >= 0; n--)
 	{
@@ -1658,8 +1657,6 @@ bool FindReplaceDlg::processFindNext(const TCHAR *txt2find, const FindOption *op
 
 	delete [] pText;
 
-	
-
 	return true;
 }
 

PowerEditor/src/ScitillaComponent/FunctionCallTip.cpp

@@ -90,7 +90,6 @@ void FunctionCallTip::setLanguageXML(TiXmlElement * pXmlKeyword)
 	reset();
 
 	// Also clear _funcName so that next getCursorFunction will call loadFunction to parse XML structure
-	if (_funcName)
 	delete [] _funcName;
 	_funcName = 0;
 }
@@ -281,10 +280,8 @@ bool FunctionCallTip::getCursorFunction()
 		}
 		if (!same)
 		{	//check if we need to reload data
-			if (_funcName)
-			{
 			delete [] _funcName;
-			}
+
 			_funcName = new TCHAR[funcToken.length+1];
 			wcscpy_s(_funcName, funcToken.length+1, funcToken.token);
 			res = loadFunction();
@@ -461,7 +458,6 @@ void FunctionCallTip::reset() {
 
 void FunctionCallTip::cleanup() {
 	reset();
-	if (_funcName)
 	delete [] _funcName;
 	_funcName = 0;
 	_pEditView = NULL;

PowerEditor/src/ScitillaComponent/ScintillaEditView.h

@@ -206,7 +206,6 @@ public:
 			{
 				for (StyleMap::iterator it2(it->second->begin()) ; it2 != it->second->end() ; ++it2)
 				{
-					if (it2->second._fontName != NULL)
 					delete [] it2->second._fontName;
 				}
 				delete it->second;

PowerEditor/src/WinControls/ClipboardHistory/clipboardHistoryPanel.cpp

@@ -263,7 +263,6 @@ INT_PTR CALLBACK ClipboardHistoryPanel::run_dlgProc(UINT message, WPARAM wParam,
 							catch (...)
 							{
 								MessageBox(_hSelf,	TEXT("Cannot process this clipboard data in the history:\nThe data is too large to be treated."), TEXT("Clipboard problem"), MB_OK | MB_APPLMODAL);
-								if (c)
 								delete[] c;
 							}
 						}

PowerEditor/src/WinControls/ClipboardHistory/clipboardHistoryPanel.h

@@ -49,7 +49,6 @@ public:
 	explicit ByteArray(ClipboardData cd);
 	
 	~ByteArray() {
-		if (_pBytes)
 		delete [] _pBytes;
 		_pBytes = NULL;
 		_length = 0;

PowerEditor/src/WinControls/FunctionList/functionParser.cpp

@@ -39,7 +39,6 @@ FunctionParsersManager::~FunctionParsersManager()
 		delete _parsers[i];
 	}
 
-	if (_pXmlFuncListDoc)
 	delete _pXmlFuncListDoc;
 }
 

PowerEditor/src/WinControls/OpenSaveFileDialog/FileDialog.cpp

@@ -69,13 +69,10 @@ FileDialog::FileDialog(HWND hwnd, HINSTANCE hInst)
 }
 
 FileDialog::~FileDialog()
-{
-	if (_fileExt)
 {
 	delete[] _fileExt;
 	_fileExt = NULL;
 }
-}
 
 // This function set and concatenate the filter into the list box of FileDialog.
 // The 1st parameter is the description of the file type, the 2nd .. Nth parameter(s) is (are)

PowerEditor/src/WinControls/StatusBar/StatusBar.cpp

@@ -47,7 +47,6 @@ enum
 
 StatusBar::~StatusBar()
 {
-	if (_lpParts != nullptr)
 	delete[] _lpParts;
 }
 

PowerEditor/src/WinControls/shortcut/shortcut.cpp

@@ -502,7 +502,6 @@ void Accelerator::updateShortcuts()
 	size_t nbUserCmd = userCommands.size();
 	size_t nbPluginCmd = pluginCommands.size();
 
-	if (_pAccelArray)
 	delete [] _pAccelArray;
 	_pAccelArray = new ACCEL[nbMenu+nbMacro+nbUserCmd+nbPluginCmd];
 	vector<ACCEL> incrFindAcc;

PowerEditor/src/WinControls/shortcut/shortcut.h

@@ -360,7 +360,6 @@ public:
 			::DestroyAcceleratorTable(_hIncFindAccTab);
 		if (_hFindAccTab)
 			::DestroyAcceleratorTable(_hFindAccTab);
-		if (_pAccelArray)
 		delete [] _pAccelArray;
 	};
 	void init(HMENU hMenu, HWND menuParent) {