Update requirements.txt

Author: eksrha

requirements.txt

@@ -2,6 +2,5 @@ mkdocs==1.3.1
 mkdocs-macros-plugin==0.7.0
 mkdocs-material==8.5.3
 mkdocs-minify-plugin==0.5.0
-mkdocs-redirects==1.0.5
 mkdocs-git-revision-date-localized-plugin==1.1.0
-mkdocs-snippet-plugin==1.0.2
+mkdocs-snippet-plugin==1.0.2