Remove match_mapping_type for geo_point fields

It also needs to include numeric types because
geo points can be expressed as an array with the format: [lon, lat]

x-pack/plugin/core/template-resources/src/main/resources/ecs@mappings.json

@@ -167,8 +167,7 @@
             "path_match": [
               "location",
               "*.location"
-            ],
-            "match_mapping_type": ["object", "string"]
+            ]
           }
         },
         {

x-pack/plugin/stack/src/javaRestTest/java/org/elasticsearch/xpack/stack/EcsDynamicTemplatesIT.java

@@ -226,7 +226,6 @@ public void testOnlyMatchLeafFields() throws IOException {
         fieldsMap.put("foo.user_agent.original.bar", 123);
         fieldsMap.put("foo.created.bar", 123);
         fieldsMap.put("foo._score.bar", 123);
-        fieldsMap.put("foo.location", 123);
         fieldsMap.put("foo.structured_data", 123);
         indexDocument(indexName, fieldsMap);
 
@@ -240,7 +239,6 @@ public void testOnlyMatchLeafFields() throws IOException {
         assertEquals("long", flatFieldMappings.get("foo.user_agent.original.bar"));
         assertEquals("long", flatFieldMappings.get("foo.created.bar"));
         assertEquals("float", flatFieldMappings.get("foo._score.bar"));
-        assertEquals("long", flatFieldMappings.get("foo.location"));
         assertEquals("long", flatFieldMappings.get("foo.structured_data"));
     }