components: Move away from fedorahosted.org .

They closed, and downloads get redirected to a wiki page.

component/fonts/buildout.cfg

@@ -20,10 +20,9 @@ strip-top-level-dir = true
 
 # Liberation(tm) Fonts - a font family which aims at metric
 # compatibility with Arial, Times New Roman, and Courier New.
-# https://fedorahosted.org/liberation-fonts/
 [liberation-fonts]
 <= fonts-base
-url = https://fedorahosted.org/releases/l/i/liberation-fonts/liberation-fonts-ttf-2.00.1.tar.gz
+url = https://releases.pagure.org/liberation-fonts/liberation-fonts-ttf-2.00.1.tar.gz
 md5sum = 5c781723a0d9ed6188960defba8e91cf
 
 # IPAex and IPA Font - Japanese fonts provided by IPA

component/python-slip/buildout.cfg

@@ -5,7 +5,7 @@ parts =
 
 [python-slip]
 recipe = slapos.recipe.cmmi
-url = https://fedorahosted.org/released/python-slip/python-slip-0.6.1.tar.bz2
+url = https://github.com/nphilipp/python-slip/releases/download/python-slip-0.6.1/python-slip-0.6.1.tar.bz2
 md5sum = a6d8ee96245fc21785d4c1c062c85f2f
 configure-command = true
 make-targets =