src: fix up unused/unordered imports

src/node_buffer.cc

@@ -66,7 +66,6 @@ using v8::Object;
 using v8::Persistent;
 using v8::String;
 using v8::Uint32;
-using v8::Undefined;
 using v8::Value;
 
 static Persistent<Function> p_buffer_fn;

src/node_contextify.cc

@@ -43,8 +43,8 @@ using v8::PropertyCallbackInfo;
 using v8::Script;
 using v8::String;
 using v8::TryCatch;
-using v8::Value;
 using v8::V8;
+using v8::Value;
 
 
 class ContextifyContext : ObjectWrap {

src/node_win32_etw_provider.cc

@@ -26,8 +26,8 @@
 
 namespace node {
 
-using v8::V8;
 using v8::JitCodeEvent;
+using v8::V8;
 
 HMODULE advapi;
 REGHANDLE node_provider;

src/timer_wrap.cc

@@ -34,7 +34,6 @@ using v8::HandleScope;
 using v8::Integer;
 using v8::Local;
 using v8::Object;
-using v8::String;
 using v8::Value;
 
 const uint32_t kOnTimeout = 0;

src/tls_wrap.cc

@@ -31,9 +31,8 @@
 
 namespace node {
 
-using crypto::SecureContext;
 using crypto::SSLWrap;
-using v8::Array;
+using crypto::SecureContext;
 using v8::Boolean;
 using v8::Exception;
 using v8::Function;