Remove unmaintainable sanitizer rules. No need to add special "class" regexp rules anymore, use RenderInternal.SafeAttr instead, more details (and examples) are in the tests
Resolve all cases for `unused parameter` and `unnecessary type arguments` Related: #30729 --------- Co-authored-by: Giteabot <teabot@gitea.io>
Only split the file into small ones (and rename AttentionTypes to attentionTypes)
