Merge branch 'remove-vsinf' into 'main'

docs/pages/Site-Specification.md

etc/matlab/gmmExample.m

etc/matlab/response_spectra.m

etc/peer/models/Set2-Case2a-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2a-fast/sites.csv

etc/peer/models/Set2-Case2a/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2a/sites.csv

etc/peer/models/Set2-Case2b-fast/sites.csv

etc/peer/models/Set2-Case2b/sites.csv

etc/peer/models/Set2-Case2c-fast/sites.csv

etc/peer/models/Set2-Case2c/sites.csv

etc/peer/models/Set2-Case2d-fast/active-crust/gmm-tree.json

etc/peer/models/Set2-Case2d-fast/sites.csv

etc/peer/models/Set2-Case2d/sites.csv

etc/peer/models/Set2-Case3a-fast/sites.csv

etc/peer/models/Set2-Case3a/sites.csv

etc/peer/models/Set2-Case3b-fast/sites.csv

etc/peer/models/Set2-Case3b/sites.csv

etc/peer/models/Set2-Case3c-fast/sites.csv

etc/peer/models/Set2-Case3c/sites.csv