disable legacy XSS filtering (#17289)
disable legacy XSS filtering (#17289)

Browsers are phasing out X-XSS-Protection, but Safari and IE still support it.
yukimochi/mastodon,Ryanaka/mastodon,yukimochi/mastodon,masto-donte-com-br/mastodon,Kirishima21/mastodon,tootcafe/mastodon,yi0713/mastodon,imas/mastodon,im-in-space/mastodon,cobodo/mastodon,MitarashiDango/mastodon,musashino205/mastodon,h3zjp/mastodon,Ryanaka/mastodon,yukimochi/mastodon,Kirishima21/mastodon,pinfort/mastodon,pinfort/mastodon,theoria24/mastodon,musashino205/mastodon,koba-lab/mastodon,yi0713/mastodon,glitch-soc/mastodon,pinfort/mastodon,abcang/mastodon,maa123/mastodon,gol-cha/mastodon,masto-donte-com-br/mastodon,abcang/mastodon,maa123/mastodon,im-in-space/mastodon,ykzts/mastodon,ykzts/mastodon,masto-donte-com-br/mastodon,musashino205/mastodon,masto-donte-com-br/mastodon,imas/mastodon,cobodo/mastodon,cobodo/mastodon,Kirishima21/mastodon,Ryanaka/mastodon,theoria24/mastodon,gol-cha/mastodon,ykzts/mastodon,lindwurm/mastodon,maa123/mastodon,koba-lab/mastodon,MitarashiDango/mastodon,theoria24/mastodon,h3zjp/mastodon,MitarashiDango/mastodon,tootcafe/mastodon,yi0713/mastodon,glitch-soc/mastodon,im-in-space/mastodon,glitch-soc/mastodon,imas/mastodon,theoria24/mastodon,tootcafe/mastodon,MitarashiDango/mastodon,lindwurm/mastodon,Ryanaka/mastodon,ykzts/mastodon,koba-lab/mastodon,im-in-space/mastodon,glitch-soc/mastodon,lindwurm/mastodon,imas/mastodon,abcang/mastodon,yukimochi/mastodon,yi0713/mastodon,tootcafe/mastodon,maa123/mastodon,abcang/mastodon,h3zjp/mastodon,h3zjp/mastodon,pinfort/mastodon,musashino205/mastodon,gol-cha/mastodon,Kirishima21/mastodon,gol-cha/mastodon,lindwurm/mastodon,cobodo/mastodon,koba-lab/mastodon