windows: remove unused variables

src/win/cares.c

@@ -108,8 +108,6 @@ static void uv_ares_sockstate_cb(void *data, ares_socket_t sock, int read,
   uv_loop_t* loop = (uv_loop_t*) data;
   uv_ares_task_t* uv_handle_ares = uv_find_ares_handle(loop, sock);
 
-  int timeoutms = 0;
-
   if (read == 0 && write == 0) {
     /* if read and write are 0, cleanup existing data */
     /* The code assumes that c-ares does a callback with read = 0 and */

src/win/timer.c

@@ -31,7 +31,6 @@
 
 
 /* The resolution of the high-resolution clock. */
-static int64_t uv_ticks_per_msec_ = 0;
 static uint64_t uv_hrtime_frequency_ = 0;
 static uv_once_t uv_hrtime_init_guard_ = UV_ONCE_INIT;
 

src/win/tty.c

@@ -960,9 +960,6 @@ static int uv_tty_reset(uv_tty_t* handle, DWORD* error) {
 
 static int uv_tty_clear(uv_tty_t* handle, int dir, char entire_screen,
     DWORD* error) {
-  unsigned short argc = handle->ansi_csi_argc;
-  unsigned short* argv = handle->ansi_csi_argv;
-
   CONSOLE_SCREEN_BUFFER_INFO info;
   COORD start, end;
   DWORD count, written;