Remove deprecated jest config option

Elias Mulhall · Elias Mulhall · commit 0c96f0ba0fff · 2018-09-20T11:09:45.000-04:00
diff --git a/package.json b/package.json
@@ -58,8 +58,7 @@
         "statements": 95
       }
     },
-    "collectCoverage": true,
-    "mapCoverage": true
+    "collectCoverage": true
   },
   "devDependencies": {
     "@types/jest": "^22.2.3",
