Revert "Remove excess logger statement and correct load call"

This reverts commit 4f1d1815a105c4e5b77b7d6c47602030d26ba9c5.
Revert "Remove logger injection"

This reverts commit 129ca03b07e02e0053072e83df3591e0ca864815.
Revert "Invalid call to sourcemap_to_index"

This reverts commit 8e2543bc0446f0c0f8e41bf10fd189b53ddd6659.
Revert "Additional debug logging for js source fetching"

This reverts commit 0bd3a7c7931c91d5f64f085b3bcc2c62656c0dd6.
Revert "Correct sourcemap check for existing index"

This reverts commit 5579be4d0439a524f402253e4106712e0bbec115.
Revert "Update tests and correct fetch_source"

This reverts commit 7cd2c1e920c5c0fd61b6c8d327d506dc3aa6b5be.
Revert "Correct discover call"

This reverts commit 26a2aae51f1e56260f087dcb708a950a6f2c70c8.
Revert "Remove unused code for sourcemaps"

This reverts commit 32f40c76a4bc079e22bef68d58d95247ca73c535.
Revert "Switch to sourcemap library via @mattrobenolt"

This reverts commit eae8237ecedd8f886c25638c7b4c79ea26a8e4be.