Revert "CSignalBox: add missing member to set frontend"

This reverts commit 41aeb2aa5b.


Origin commit data
------------------
Commit: 0fbb5326da
Author: vanhofen <vanhofen@gmx.de>
Date: 2016-09-28 (Wed, 28 Sep 2016)

src/gui/components/cc_frm_signalbars.cpp

@@ -339,9 +339,10 @@ void CSignalBox::paintScale()
 void CSignalBox::paint(bool do_save_bg)
 {
 	//paint frame and body
-	initSignalItems();
-	if (!is_painted)
+	if (!is_painted){
+		initSignalItems();
 		paintForm(do_save_bg);
+	}
 
 	//paint current signal value
 	paintScale();

src/gui/components/cc_frm_signalbars.h

@@ -296,10 +296,7 @@ class CSignalBox : public CComponentsForm, public CCTextScreen
 		///returns the signal object, type = CSignalBar*
 		CSignalBar* getScaleObject(){return sbar;};
 		///returns the signal noise ratio object, type = CSignalNoiseRatioBar*
-		CSignalNoiseRatioBar* getLabelObject(){return snrbar;}
-
-		///assigns the current used frontend, simplified a tuner object, see frontend_c.h
-		void setFrontEnd(CFrontend *frontend_ref){sbx_frontend = frontend_ref;}
+		CSignalNoiseRatioBar* getLabelObject(){return snrbar;};
 
 		///sets the caption color of signalbars, see also property 'sbx_caption_color'
 		void setTextColor(const fb_pixel_t& caption_color){ sbx_caption_color = caption_color;};