ProjectConfiguration: Clean up some constants

Remove unnecessary constant and move others into the cpp file where
they are used.

Change-Id: Ib1e8ac69a39eb38794bbdafc860ca42ca29c3bdb
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>

src/plugins/android/androiddeployconfiguration.cpp

@@ -47,6 +47,9 @@ using namespace ProjectExplorer;
 namespace Android {
 namespace Internal {
 
+// Qt 5.2 has a new form of deployment
+const char ANDROID_DEPLOYCONFIGURATION_ID[] = "Qt4ProjectManager.AndroidDeployConfiguration2";
+
 AndroidDeployConfiguration::AndroidDeployConfiguration(Target *parent, Core::Id id)
     : DeployConfiguration(parent, id)
 {