Revert "basic tcp_trace support for windows"

This reverts commit 5861f08260.

src/core/lib/iomgr/tcp_windows.cc

@@ -42,7 +42,6 @@
 #include "src/core/lib/iomgr/tcp_windows.h"
 #include "src/core/lib/iomgr/timer.h"
 #include "src/core/lib/slice/slice_internal.h"
-#include "src/core/lib/slice/slice_string_helpers.h"
 
 #if defined(__MSYS__) && defined(GPR_ARCH_64)
 /* Nasty workaround for nasty bug when using the 64 bits msys compiler
@@ -183,10 +182,6 @@ static void on_read(void* tcpp, grpc_error* error) {
   grpc_slice sub;
   grpc_winsocket_callback_info* info = &socket->read_info;
 
-  if (grpc_tcp_trace.enabled()) {
-    gpr_log(GPR_INFO, "TCP:%p on_read", tcp);
-  }
-
   GRPC_ERROR_REF(error);
 
   if (error == GRPC_ERROR_NONE) {
@@ -199,21 +194,7 @@ static void on_read(void* tcpp, grpc_error* error) {
       if (info->bytes_transfered != 0 && !tcp->shutting_down) {
         sub = grpc_slice_sub_no_ref(tcp->read_slice, 0, info->bytes_transfered);
         grpc_slice_buffer_add(tcp->read_slices, sub);
-
-        if (grpc_tcp_trace.enabled()) {
-          size_t i;
-          for (i = 0; i < tcp->read_slices->count; i++) {
-            char* dump = grpc_dump_slice(tcp->read_slices->slices[i],
-                                         GPR_DUMP_HEX | GPR_DUMP_ASCII);
-            gpr_log(GPR_INFO, "READ %p (peer=%s): %s", tcp, tcp->peer_string,
-                    dump);
-            gpr_free(dump);
-          }
-        }
       } else {
-        if (grpc_tcp_trace.enabled()) {
-          gpr_log(GPR_INFO, "TCP:%p unref read_slice", tcp);
-        }
         grpc_slice_unref_internal(tcp->read_slice);
         error = tcp->shutting_down
                     ? GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
@@ -238,10 +219,6 @@ static void win_read(grpc_endpoint* ep, grpc_slice_buffer* read_slices,
   DWORD flags = 0;
   WSABUF buffer;
 
-  if (grpc_tcp_trace.enabled()) {
-    gpr_log(GPR_INFO, "TCP:%p win_read", tcp);
-  }
-
   if (tcp->shutting_down) {
     GRPC_CLOSURE_SCHED(
         cb, GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(
@@ -298,10 +275,6 @@ static void on_write(void* tcpp, grpc_error* error) {
   grpc_winsocket_callback_info* info = &handle->write_info;
   grpc_closure* cb;
 
-  if (grpc_tcp_trace.enabled()) {
-    gpr_log(GPR_INFO, "TCP:%p on_write", tcp);
-  }
-
   GRPC_ERROR_REF(error);
 
   gpr_mu_lock(&tcp->mu);
@@ -335,16 +308,6 @@ static void win_write(grpc_endpoint* ep, grpc_slice_buffer* slices,
   WSABUF* buffers = local_buffers;
   size_t len;
 
-  if (grpc_tcp_trace.enabled()) {
-    size_t i;
-    for (i = 0; i < slices->count; i++) {
-      char* data =
-          grpc_dump_slice(slices->slices[i], GPR_DUMP_HEX | GPR_DUMP_ASCII);
-      gpr_log(GPR_INFO, "WRITE %p (peer=%s): %s", tcp, tcp->peer_string, data);
-      gpr_free(data);
-    }
-  }
-
   if (tcp->shutting_down) {
     GRPC_CLOSURE_SCHED(
         cb, GRPC_ERROR_CREATE_REFERENCING_FROM_STATIC_STRING(