Clean up rate_limit() for deployments that opt out.
Clean up rate_limit() for deployments that opt out.

If settings.RATE_LIMITING is False, short circuit rate
limiting earlier in rate_limit().  This change particularly
avoids inspect request.user and possibly spamming the error
log for sites that don't care about rate limiting.

umkay/zulip,joyhchen/zulip,cosmicAsymmetry/zulip,amanharitsh123/zulip,showell/zulip,punchagan/zulip,kou/zulip,jrowan/zulip,joyhchen/zulip,synicalsyntax/zulip,jainayush975/zulip,samatdav/zulip,peguin40/zulip,brainwane/zulip,isht3/zulip,mahim97/zulip,punchagan/zulip,Galexrt/zulip,christi3k/zulip,zacps/zulip,j831/zulip,Galexrt/zulip,j831/zulip,ahmadassaf/zulip,eeshangarg/zulip,Jianchun1/zulip,zulip/zulip,rishig/zulip,aakash-cr7/zulip,reyha/zulip,cosmicAsymmetry/zulip,vaidap/zulip,ryanbackman/zulip,KingxBanana/zulip,JPJPJPOPOP/zulip,joyhchen/zulip,tommyip/zulip,rht/zulip,jainayush975/zulip,amyliu345/zulip,synicalsyntax/zulip,christi3k/zulip,tommyip/zulip,zulip/zulip,ahmadassaf/zulip,SmartPeople/zulip,souravbadami/zulip,zulip/zulip,kou/zulip,brockwhittaker/zulip,sonali0901/zulip,aakash-cr7/zulip,rishig/zulip,jrowan/zulip,JPJPJPOPOP/zulip,sonali0901/zulip,arpith/zulip,umkay/zulip,shubhamdhama/zulip,susansls/zulip,jrowan/zulip,blaze225/zulip,dattatreya303/zulip,vikas-parashar/zulip,SmartPeople/zulip,zulip/zulip,mohsenSy/zulip,tommyip/zulip,ryanbackman/zulip,sharmaeklavya2/zulip,aakash-cr7/zulip,vaidap/zulip,verma-varsha/zulip,umkay/zulip,brainwane/zulip,andersk/zulip,verma-varsha/zulip,Juanvulcano/zulip,grave-w-grave/zulip,paxapy/zulip,dattatreya303/zulip,Juanvulcano/zulip,sharmaeklavya2/zulip,vikas-parashar/zulip,shubhamdhama/zulip,Jianchun1/zulip,KingxBanana/zulip,joyhchen/zulip,andersk/zulip,shubhamdhama/zulip,KingxBanana/zulip,rht/zulip,calvinleenyc/zulip,souravbadami/zulip,zacps/zulip,grave-w-grave/zulip,krtkmj/zulip,grave-w-grave/zulip,dhcrzf/zulip,dawran6/zulip,Jianchun1/zulip,PhilSk/zulip,amyliu345/zulip,zacps/zulip,sharmaeklavya2/zulip,dhcrzf/zulip,vikas-parashar/zulip,rht/zulip,vaidap/zulip,verma-varsha/zulip,susansls/zulip,vaidap/zulip,eeshangarg/zulip,ryanbackman/zulip,isht3/zulip,peguin40/zulip,calvinleenyc/zulip,cosmicAsymmetry/zulip,paxapy/zulip,j831/zulip,kou/zulip,TigorC/zulip,calvinleenyc/zulip,sup95/zulip,brainwane/zulip,timabbott/zulip,mohsenSy/zulip,JPJPJPOPOP/zulip,sharmaeklavya2/zulip,timabbott/zulip,SmartPeople/zulip,amyliu345/zulip,brockwhittaker/zulip,cosmicAsymmetry/zulip,Galexrt/zulip,SmartPeople/zulip,rishig/zulip,sup95/zulip,jrowan/zulip,blaze225/zulip,krtkmj/zulip,jainayush975/zulip,jainayush975/zulip,vikas-parashar/zulip,reyha/zulip,Jianchun1/zulip,rishig/zulip,shubhamdhama/zulip,PhilSk/zulip,reyha/zulip,j831/zulip,blaze225/zulip,dattatreya303/zulip,arpith/zulip,brainwane/zulip,Diptanshu8/zulip,christi3k/zulip,ryanbackman/zulip,ahmadassaf/zulip,KingxBanana/zulip,eeshangarg/zulip,samatdav/zulip,paxapy/zulip,TigorC/zulip,souravbadami/zulip,kou/zulip,susansls/zulip,jackrzhang/zulip,grave-w-grave/zulip,shubhamdhama/zulip,isht3/zulip,kou/zulip,TigorC/zulip,jrowan/zulip,Juanvulcano/zulip,hackerkid/zulip,showell/zulip,vabs22/zulip,vikas-parashar/zulip,hackerkid/zulip,Diptanshu8/zulip,jackrzhang/zulip,andersk/zulip,Juanvulcano/zulip,punchagan/zulip,reyha/zulip,synicalsyntax/zulip,punchagan/zulip,jainayush975/zulip,PhilSk/zulip,zacps/zulip,christi3k/zulip,sonali0901/zulip,verma-varsha/zulip,peguin40/zulip,tommyip/zulip,TigorC/zulip,krtkmj/zulip,AZtheAsian/zulip,rishig/zulip,sharmaeklavya2/zulip,dhcrzf/zulip,blaze225/zulip,rishig/zulip,Juanvulcano/zulip,reyha/zulip,sonali0901/zulip,synicalsyntax/zulip,Galexrt/zulip,brockwhittaker/zulip,TigorC/zulip,synicalsyntax/zulip,kou/zulip,aakash-cr7/zulip,showell/zulip,paxapy/zulip,sharmaeklavya2/zulip,sonali0901/zulip,ahmadassaf/zulip,Diptanshu8/zulip,brockwhittaker/zulip,hackerkid/zulip,umkay/zulip,brainwane/zulip,cosmicAsymmetry/zulip,sup95/zulip,rht/zulip,jackrzhang/zulip,samatdav/zulip,synicalsyntax/zulip,jphilipsen05/zulip,calvinleenyc/zulip,niftynei/zulip,tommyip/zulip,dawran6/zulip,hackerkid/zulip,arpith/zulip,peguin40/zulip,tommyip/zulip,hackerkid/zulip,cosmicAsymmetry/zulip,rishig/zulip,krtkmj/zulip,andersk/zulip,jphilipsen05/zulip,zulip/zulip,AZtheAsian/zulip,tommyip/zulip,andersk/zulip,dhcrzf/zulip,isht3/zulip,vaidap/zulip,mohsenSy/zulip,dattatreya303/zulip,niftynei/zulip,amyliu345/zulip,showell/zulip,zacps/zulip,jackrzhang/zulip,niftynei/zulip,JPJPJPOPOP/zulip,samatdav/zulip,showell/zulip,jphilipsen05/zulip,KingxBanana/zulip,aakash-cr7/zulip,amyliu345/zulip,dawran6/zulip,ahmadassaf/zulip,calvinleenyc/zulip,j831/zulip,dattatreya303/zulip,PhilSk/zulip,amanharitsh123/zulip,souravbadami/zulip,paxapy/zulip,isht3/zulip,Diptanshu8/zulip,hackerkid/zulip,punchagan/zulip,KingxBanana/zulip,eeshangarg/zulip,AZtheAsian/zulip,PhilSk/zulip,amanharitsh123/zulip,hackerkid/zulip,verma-varsha/zulip,rht/zulip,umkay/zulip,krtkmj/zulip,susansls/zulip,Jianchun1/zulip,vabs22/zulip,shubhamdhama/zulip,zulip/zulip,amanharitsh123/zulip,rht/zulip,mahim97/zulip,umkay/zulip,reyha/zulip,niftynei/zulip,arpith/zulip,ryanbackman/zulip,jackrzhang/zulip,eeshangarg/zulip,punchagan/zulip,ahmadassaf/zulip,dawran6/zulip,timabbott/zulip,Galexrt/zulip,shubhamdhama/zulip,susansls/zulip,mohsenSy/zulip,jphilipsen05/zulip,Jianchun1/zulip,grave-w-grave/zulip,showell/zulip,mahim97/zulip,eeshangarg/zulip,Diptanshu8/zulip,arpith/zulip,brockwhittaker/zulip,jphilipsen05/zulip,ryanbackman/zulip,joyhchen/zulip,sup95/zulip,souravbadami/zulip,arpith/zulip,dawran6/zulip,Galexrt/zulip,christi3k/zulip,dawran6/zulip,vabs22/zulip,samatdav/zulip,synicalsyntax/zulip,timabbott/zulip,brainwane/zulip,vaidap/zulip,calvinleenyc/zulip,jainayush975/zulip,dhcrzf/zulip,mohsenSy/zulip,Diptanshu8/zulip,sup95/zulip,umkay/zulip,isht3/zulip,joyhchen/zulip,vabs22/zulip,showell/zulip,dhcrzf/zulip,rht/zulip,sonali0901/zulip,niftynei/zulip,andersk/zulip,amanharitsh123/zulip,jackrzhang/zulip,mohsenSy/zulip,vikas-parashar/zulip,Juanvulcano/zulip,amyliu345/zulip,punchagan/zulip,jrowan/zulip,niftynei/zulip,SmartPeople/zulip,JPJPJPOPOP/zulip,samatdav/zulip,amanharitsh123/zulip,andersk/zulip,timabbott/zulip,aakash-cr7/zulip,TigorC/zulip,verma-varsha/zulip,mahim97/zulip,susansls/zulip,ahmadassaf/zulip,Galexrt/zulip,mahim97/zulip,SmartPeople/zulip,mahim97/zulip,peguin40/zulip,zacps/zulip,krtkmj/zulip,brainwane/zulip,kou/zulip,paxapy/zulip,grave-w-grave/zulip,zulip/zulip,timabbott/zulip,blaze225/zulip,jackrzhang/zulip,AZtheAsian/zulip,christi3k/zulip,timabbott/zulip,PhilSk/zulip,brockwhittaker/zulip,vabs22/zulip,j831/zulip,blaze225/zulip,jphilipsen05/zulip,AZtheAsian/zulip,dattatreya303/zulip,souravbadami/zulip,sup95/zulip,JPJPJPOPOP/zulip,eeshangarg/zulip,vabs22/zulip,AZtheAsian/zulip,krtkmj/zulip,dhcrzf/zulip,peguin40/zulip