Cleanup additional meta-data

The new endpoint infrastructure does not provide a `path` property so
the manual metadata for older endpoints have been removed.

spring-boot-actuator/src/main/resources/META-INF/additional-spring-configuration-metadata.json

 {"properties": [
-  {
-    "name": "endpoints.autoconfig.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
-  {
-    "name": "endpoints.beans.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
   {
     "name": "endpoints.configprops.keys-to-sanitize",
     "type": "java.lang.String[]",
@@ -23,16 +13,6 @@
       "vcap_services"
     ]
   },
-  {
-    "name": "endpoints.configprops.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
-  {
-    "name": "endpoints.dump.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
   {
     "name": "endpoints.env.keys-to-sanitize",
     "type": "java.lang.String[]",
@@ -47,27 +27,12 @@
       "vcap_services"
     ]
   },
-  {
-    "name": "endpoints.info.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
-  {
-    "name": "endpoints.mappings.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
   {
     "name": "endpoints.metrics.filter.enabled",
     "type": "java.lang.Boolean",
     "description": "Enable the metrics servlet filter.",
     "defaultValue": true
   },
-  {
-    "name": "endpoints.trace.path",
-    "type": "java.lang.String",
-    "description": "Endpoint URL path."
-  },
   {
 	"name": "endpoints.trace.filter.enabled",
 	"type": "java.lang.Boolean",