Mythtv-setup setup option "Complete scan data required" default not s…

…elected

This reverts commit 29afe01 d.d. 24 july 2019.
For DVB this option is recommended.
However, for ATSC this option has to be not selected
otherwise all channels are discarded.
Therefore this option is now default not selected.

mythtv/libs/libmythtv/channelscan/channelscanmiscsettings.h

@@ -150,7 +150,7 @@ class CompleteChannelsOnly : public TransMythUICheckBoxSetting
                 "such as feeds and offline channels, "
                 "that are not useful in a MythTV system. "
                 "These are filtered out by this option."));
-        setValue(true);
+        setValue(false);
     };
 };