Removed HostStatic and HostMapStatic

Those classes are not exposed and can not be instantiated from user code

types/cassandra-driver/index.d.ts

@@ -499,8 +499,6 @@ export namespace types {
 }
 
 export let Client: ClientStatic;
-export let Host: HostStatic;
-export let HostMap: HostMapStatic;
 export let Encoder: EncoderStatic;
 
 export interface ClientOptions {
@@ -611,14 +609,10 @@ export interface Client extends events.EventEmitter {
   stream(query: string, params?: any, options?: QueryOptions, callback?: Callback): NodeJS.ReadableStream;
 }
 
-export interface HostStatic {
-  new (address: string, protocolVersion: number, options: ClientOptions): Host;
-}
-
 export interface Host extends events.EventEmitter {
   address: string;
   cassandraVersion: string;
-  dataCenter: string;
+  datacenter: string;
   rack: string;
   tokens: string[];
 
@@ -627,10 +621,6 @@ export interface Host extends events.EventEmitter {
   isUp(): boolean;
 }
 
-export interface HostMapStatic {
-  new (): HostMap;
-}
-
 export interface HostMap extends events.EventEmitter {
   length: number;