crypto: remove unused ClientHelloParser field

src/node_crypto.h

@@ -136,8 +136,7 @@ class ClientHelloParser {
   ClientHelloParser(Connection* c) : conn_(c),
                                      state_(kWaiting),
                                      offset_(0),
-                                     body_offset_(0),
+                                     body_offset_(0) {
-                                     written_(0) {
   }
 
   size_t Write(const uint8_t* data, size_t len);
@@ -153,7 +152,6 @@ class ClientHelloParser {
   uint8_t data_[18432];
   size_t offset_;
   size_t body_offset_;
-  size_t written_;
 };
 
 class Connection : ObjectWrap {