[EventGrid] Fix readme refdoc link#15169

Merged

rakshith91 merged 1 commit intoAzure:masterfrom

KieranBrantnerMagee:kibrantn/eventgrid/track2-b4-fix-readme-refdoc-link

Nov 13, 2020

Commits on Nov 9, 2020

refdoc aka.ms link was broken and silently redirecting, have replaced with azuresdkdocs link as is used in other SDKs.
KieranBrantnerMagee
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