Remove more Qt version checks

Change-Id: I4440b7a9fb2c16b10deab8e8abfcb0eaa8bb45bb
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

src/plugins/help/help.pro

@@ -62,7 +62,7 @@ FORMS += docsettingspage.ui \
     generalsettingspage.ui \
     remotehelpfilter.ui
 
-macx:minQtVersion(5, 2, 0) {
+osx {
     DEFINES += QTC_MAC_NATIVE_HELPVIEWER
     QT += macextras
     HEADERS += macwebkithelpviewer.h

src/src.pro

@@ -3,7 +3,6 @@ include(../qtcreator.pri)
 TEMPLATE  = subdirs
 CONFIG   += ordered
 
-minQtVersion(5, 0, 0) {
 QBS_DIRS = \
     qbscorelib \
     qbsqtprofilesetup \
@@ -21,7 +20,6 @@ minQtVersion(5, 0, 0) {
 
 exists(shared/qbs/qbs.pro): SUBDIRS += $$QBS_DIRS
 TR_EXCLUDE = $$QBS_DIRS
-}
 
 SUBDIRS += \
     libs \