CArun: remove dependency to qt gui/widgets

dCArun/dCArun.pro

@@ -1,5 +1,5 @@
-QT       += core gui
-QT      +=widgets serialport
+QT       += core
+QT      += serialport
 QT      +=network
     # for TCP-IP
 
@@ -11,8 +11,6 @@ VERSION = "1.0.0"
 DESTDIR=$${_PRO_FILE_PWD_}/../build
 
 
-greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
-
 CONFIG += c++11
 CONFIG += PTU5
 
@@ -43,18 +41,13 @@ DEFINES+=APP_EXTENDED_VERSION=\\\"$$EXTENDED_VERSION\\\"
 SOURCES += \
     CArun.cpp \
     main.cpp \
-    mainwindow.cpp \
     tslib.cpp \
-    win01_com.cpp \
     datei.cpp
 
 HEADERS += \
     CArun.h \
     guidefs.h \
-    mainwindow.h \
-    stepList.h \
     tslib.h \
     versionHistory.txt \
-    win01_com.h \
     datei.h \
     plugin.h