Bug 28716: hide moresearches and opaccredits from print

Bug 28716: hide moresearches and opaccredits from print

To test:
1. Make some lists and look at them in the OPAC
2. Have some content in your OPACCredits news section
3. Look at some lists and try clicking 'Print list'
4. You will see the moresearches (top navigation) and opaccredits content
5. apply patch and regenearte the CSS
6. Do 3 again, you should not see the contents of moresearches (top navigation) and opaccredits content

Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>