doc: fix spelling of G Suite
doc: fix spelling of G Suite

'G Suite' seems to be the preferred spelling according to
https://gsuite.google.com/

Change-Id: Ica60938cf942594157bba84ef205e1cdcb8c1b08
Reviewed-on: https://go-review.googlesource.com/120132
Reviewed-by: Daniel Martí <29bf28b42a938ace12a5819da4ed4ba03d82f315@mvdan.cc>

golang/go,akutz/go,josharian/go,nawawi/go,josharian/go,josharian/go,josharian/go,cloudflare/go,josharian/go,akutz/go,golang/go,golang/go,cloudflare/go,josharian/go,golang/go,cloudflare/go,golang/go,golang/go,cloudflare/go,nawawi/go,nawawi/go,nawawi/go,nawawi/go,CAFxX/go,golang/go,akutz/go,CAFxX/go,CAFxX/go,akutz/go,akutz/go,CAFxX/go,josharian/go,nawawi/go,akutz/go,akutz/go,CAFxX/go,cloudflare/go,CAFxX/go,golang/go,nawawi/go,akutz/go,cloudflare/go,cloudflare/go,cloudflare/go,nawawi/go,CAFxX/go,josharian/go,CAFxX/go