remove constructor default argument in implementation

components/badge.cpp

@@ -1,6 +1,6 @@
 #include "badge.h"
 
-Badge::Badge(QWidget *parent = 0)
+Badge::Badge(QWidget *parent)
     : QWidget(parent)
 {
 }

components/fab.cpp

@@ -1,6 +1,6 @@
 #include "fab.h"
 
-FloatingActionButton::FloatingActionButton(QWidget *parent = 0)
+FloatingActionButton::FloatingActionButton(QWidget *parent)
     : QWidget(parent)
 {
 }

components/progress.cpp

@@ -1,6 +1,6 @@
 #include "progress.h"
 
-Progress::Progress(QWidget *parent = 0)
+Progress::Progress(QWidget *parent)
     : QWidget(parent)
 {
 }

components/selectfield.cpp

@@ -1,6 +1,6 @@
 #include "selectfield.h"
 
-SelectField::SelectField(QWidget *parent = 0)
+SelectField::SelectField(QWidget *parent)
     : QWidget(parent)
 {
 }