Don't check pointer before to delete it

src/ColorSchemeEditor.cpp

@@ -151,8 +151,7 @@ void ColorSchemeEditor::setTransparencyPercentLabel(int percent)
 }
 void ColorSchemeEditor::setup(const ColorScheme* scheme)
 {
-    if ( _colors )
-        delete _colors;
+    delete _colors;
 
     _colors = new ColorScheme(*scheme);
 

src/KeyBindingEditor.cpp

@@ -174,8 +174,7 @@ QString KeyBindingEditor::description() const
 
 void KeyBindingEditor::setup(const KeyboardTranslator* translator)
 {
-    if ( _translator )
-        delete _translator;
+    delete _translator;
 
     _translator = new KeyboardTranslator(*translator);
 

src/Session.cpp

@@ -755,10 +755,8 @@ void Session::sendMouseEvent(int buttons, int column, int line, int eventType)
 
 Session::~Session()
 {
-  if (_foregroundProcessInfo)
-      delete _foregroundProcessInfo;
-  if (_sessionProcessInfo)
-      delete _sessionProcessInfo;
+  delete _foregroundProcessInfo;
+  delete _sessionProcessInfo;
   delete _emulation;
   delete _shellProcess;
   delete _zmodemProc;