Fix weird script editor color issue on divider

indra/newview/llscripteditor.cpp

@@ -93,11 +93,6 @@ void LLScriptEditor::drawLineNumbers()
 		S32 bottom = 0;
 		
 		F32 alpha = getCurrentTransparency();
-		LLColor4 bg_color = mReadOnly ? mReadOnlyBgColor.get()
-									  : hasFocus() ? mFocusBgColor.get()
-												   : mWriteableBgColor.get();
-		
-		gl_rect_2d(left, top, UI_TEXTEDITOR_LINE_NUMBER_MARGIN, bottom, bg_color % alpha, FALSE ); // line number area always read-only
 		gl_rect_2d(UI_TEXTEDITOR_LINE_NUMBER_MARGIN, top, UI_TEXTEDITOR_LINE_NUMBER_MARGIN-1, bottom, LLColor4::grey3 % alpha); // separator
 		
 		S32 last_line_num = -1;