Remove refs to material

package-lock.json

@@ -6415,13 +6415,7 @@
       "requires": {
         "object-visit": "^1.0.0"
       }
-    },
-    "material": {
-      "version": "file:dist/material",
-      "requires": {
-        "tslib": "^1.9.0"
-      }
-    },
+    },    
     "md5.js": {
       "version": "1.3.5",
       "resolved": "https://repository.akkerweb.nl/repository/npm-group/md5.js/-/md5.js-1.3.5.tgz",

package.json

@@ -27,7 +27,6 @@
     "@ngrx/store": "^7.2.0",
     "bootstrap": "^4.3.1",
     "core-js": "^2.5.4",
-    "material": "file:dist/material",
     "resumablejs": "^1.1.0",
     "rxjs": "~6.3.3",
     "tassign": "^1.0.0",