Fix: member initializer for 'm_fooBar' is redundant

warning: member initializer for 'm_isValid' is redundant
[modernize-use-default-member-init]

Change-Id: Icd521e7d77054512bc0ed6b95cf08440320b0ce0
Reviewed-by: hjk <hjk@qt.io>

src/plugins/cmakeprojectmanager/cmakesettingspage.cpp

@@ -108,8 +108,7 @@ public:
         m_executable(executable),
         m_isAutoRun(autoRun),
         m_autoCreateBuildDirectory(autoCreate),
-        m_autodetected(autodetected),
-        m_changed(true)
+        m_autodetected(autodetected)
     {}
 
     CMakeToolTreeItem() = default;