remove git dependencies plugin

settings.gradle

-plugins {
-  id "com.alexvasilkov.git-dependencies" version "2.0.3"
-}
-
 rootProject.name = "nshmp-haz"
-
-/**
- * Download default model, nshm-conus-2018.
- */
-git {
-  fetch("https://code.usgs.gov/ghsc/nshmp/nshms/nshm-conus.git", {
-    name "nshmp-haz-dep--nshm-conus-2018"
-    tag "5.1.2"
-  })
-}