Broken redirects

The following redirects link to non-existent pages:

Showing below up to 8 results in range #1 to #8.

1. Template:Cc-zero → Template:CC0
2. Template:Cc-by-sa-2.0 → Template:CC BY-SA 2.0
3. Template:Cc-by-sa-4.0,3.0,2.5,2.0,1.0 → Template:CC BY-SA 4.0, 3.0, 2.5, 2.0, 1.0
4. Template:Cc-by-2.0 → Template:CC BY 2.0
5. Template:Non-free game cover → Template:Non-free video game cover
6. Template:Non-free game screenshot → Template:Non-free video game screenshot
7. Template:PD-old → Template:PD-old-100
8. Template:PD-text → Template:PD-simple