frontend: Remove unnecessary TODO comment
frontend: Remove unnecessary TODO comment

hostedZoneID is included in the value of the tectonic_base_domain tfvar.

kalmog/tectonic-installer,cpanato/tectonic-installer,hhoover/tectonic-installer,zbwright/tectonic-installer,lander2k2/tectonic-installer,zbwright/tectonic-installer,zbwright/tectonic-installer,squat/tectonic-installer,mrwacky42/tectonic-installer,cpanato/tectonic-installer,zbwright/tectonic-installer,squat/tectonic-installer,cpanato/tectonic-installer,mrwacky42/tectonic-installer,kyoto/tectonic-installer,kyoto/tectonic-installer,kyoto/tectonic-installer,hhoover/tectonic-installer,lander2k2/tectonic-installer,hhoover/tectonic-installer,kyoto/tectonic-installer,squat/tectonic-installer,hhoover/tectonic-installer,mrwacky42/tectonic-installer,justaugustus/tectonic-installer,lander2k2/tectonic-installer,hhoover/tectonic-installer,justaugustus/tectonic-installer,cpanato/tectonic-installer,justaugustus/tectonic-installer,mrwacky42/tectonic-installer,kalmog/tectonic-installer,mrwacky42/tectonic-installer,kyoto/tectonic-installer,squat/tectonic-installer,kalmog/tectonic-installer,derekhiggins/installer,lander2k2/tectonic-installer,derekhiggins/installer,zbwright/tectonic-installer,justaugustus/tectonic-installer,justaugustus/tectonic-installer