IosBuildStep: Use member initialization

Change-Id: If64e3ca3c2457e88f2eba948eee6a7a9a127d346
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>

src/plugins/ios/iosbuildstep.cpp

@@ -60,17 +60,13 @@ const char BUILD_ARGUMENTS_KEY[] = "Ios.IosBuildStep.XcodeArguments";
 const char CLEAN_KEY[] = "Ios.IosBuildStep.Clean";
 
 IosBuildStep::IosBuildStep(BuildStepList *parent) :
-    AbstractProcessStep(parent, Id(IOS_BUILD_STEP_ID)),
-    m_useDefaultArguments(true),
-    m_clean(false)
+    AbstractProcessStep(parent, Id(IOS_BUILD_STEP_ID))
 {
     ctor();
 }
 
 IosBuildStep::IosBuildStep(BuildStepList *parent, const Id id) :
-    AbstractProcessStep(parent, id),
-    m_useDefaultArguments(true),
-    m_clean(false)
+    AbstractProcessStep(parent, id)
 {
     ctor();
 }

src/plugins/ios/iosbuildstep.h

@@ -74,9 +74,8 @@ private:
 
     QStringList m_baseBuildArguments;
     QStringList m_extraArguments;
-    QString m_buildCommand;
-    bool m_useDefaultArguments;
-    bool m_clean;
+    bool m_useDefaultArguments = true;
+    bool m_clean = false;
 };
 
 class IosBuildStepConfigWidget : public ProjectExplorer::BuildStepConfigWidget