Remove rogue mime type definition for *.ts

There already is a mime type for that in the freedesktop definition,
and that even has alias application/x-linguist, so adding another
mime type with a name that conflicts with the alias leads to strange issues.

Task-number: QTCREATORBUG-19449
Change-Id: I95affeb4d0946f694192a83b396c29f310871e4e
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/qtsupport/QtSupport.json.in

@@ -25,13 +25,6 @@
         \"    <comment>Linguist compiled translations</comment>\",
         \"    <glob pattern=\'*.qm\'/>\",
         \"  </mime-type>\",
-        \"  <mime-type type=\'application/x-linguist\'>\",
-        \"    <comment>Linguist source translations</comment>\",
-        \"    <magic>\",
-        \"      <match value=\'&lt;TS\' type=\'string\' offset=\'0:256\'/>\",
-        \"    </magic>\",
-        \"    <glob pattern=\'*.ts\' weight=\'70\'/>\",
-        \"  </mime-type>\",
         \"  <mime-type type=\'application/scxml+xml\'>\",
         \"    <comment>SCXML State Chart</comment>\",
         \"    <sub-class-of type=\'application/xml\'/>\",