Revert "GRAS-1683 interpolating root in main.js from gha.json"

This reverts commit b3b6f15f051e1c06200c3c569a9ae488afdb250d.
Revert "GRAS-1683 interpolating root in main.js from gha.json"

This reverts commit cd7bf253ea7f1fb2e9582482abd6791e12464e17.
Revert "removing forward slash from internal routes per GRAS-1683"

This reverts commit c2b5cdf4e35768aa472a348fbee05e56e2210e1a.