remove unneeded .* from unanchored patterns

Author: karenetheridge

output/schema.json

@@ -50,14 +50,14 @@
               {
                 "properties": {
                   "keywordLocation": {
-                    "pattern": ".*/\\$ref/.*"
+                    "pattern": "/\\$ref/"
                   }
                 }
               },
               {
                 "properties": {
                   "keywordLocation": {
-                    "pattern": ".*/\\$recursiveRef/.*"
+                    "pattern": "/\\$recursiveRef/"
                   }
                 }
               }