Revert "Add a functionally equivalent NTLMv1 implementation."

This reverts commit 24f0eb87.

Reason for revert: net_unittests fails on msan bot

NtlmClientTest.Type2MessageWithTargetName
NtlmClientTest.NoTargetNameOverflowFromLength

https://uberchromegw.corp.google.com/i/chromium.memory/builders/Linux%20MSan%20Tests/builds/3002

Original change's description:
> Add a functionally equivalent NTLMv1 implementation.
> 
> - Replacement NTLMv1 implementation.
> - In preparation for new NTLMv2 implementation.
> - Passes all unit tests and has the same behavior.
> - Adds fuzzer for NtlmClient.
> - Code is still not live.
> 
> BUG=chromium:22532
> TEST=All unit tests pass.
> 
> Change-Id: Idae533312805d21d49943fd634d54af3a93a7c00
> Reviewed-on: https://chromium-review.googlesource.com/598307
> Commit-Queue: Zentaro Kavanagh <zentaro@google.com>
> Reviewed-by: Asanka Herath <asanka@chromium.org>
> Reviewed-by: Matt Menke <mmenke@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#491611}

TBR=rsleevi@chromium.org,mmenke@chromium.org,zentaro@google.com,asanka@chromium.org

Change-Id: I21057e6a0cc43aca6249153debe47e3630df82c7
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:22532
Reviewed-on: https://chromium-review.googlesource.com/599140Reviewed-by: Tsuyoshi Horo <horo@chromium.org>
Commit-Queue: Tsuyoshi Horo <horo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491664}

net/BUILD.gn

@@ -1041,8 +1041,6 @@ component("net") {
       "ntlm/ntlm_buffer_reader.h",
       "ntlm/ntlm_buffer_writer.cc",
       "ntlm/ntlm_buffer_writer.h",
-      "ntlm/ntlm_client.cc",
-      "ntlm/ntlm_client.h",
       "ntlm/ntlm_constants.h",
       "proxy/dhcp_proxy_script_adapter_fetcher_win.cc",
       "proxy/dhcp_proxy_script_adapter_fetcher_win.h",
@@ -1799,8 +1797,6 @@ component("net") {
         "ntlm/ntlm_buffer_reader.h",
         "ntlm/ntlm_buffer_writer.cc",
         "ntlm/ntlm_buffer_writer.h",
-        "ntlm/ntlm_client.cc",
-        "ntlm/ntlm_client.h",
         "ntlm/ntlm_constants.h",
       ]
     }
@@ -4902,7 +4898,6 @@ test("net_unittests") {
     "ntlm/des_unittest.cc",
     "ntlm/ntlm_buffer_reader_unittest.cc",
     "ntlm/ntlm_buffer_writer_unittest.cc",
-    "ntlm/ntlm_client_unittest.cc",
     "ntlm/ntlm_test_data.h",
     "ntlm/ntlm_unittest.cc",
     "proxy/dhcp_proxy_script_adapter_fetcher_win_unittest.cc",
@@ -5321,7 +5316,6 @@ test("net_unittests") {
       "ntlm/des_unittest.cc",
       "ntlm/ntlm_buffer_reader_unittest.cc",
       "ntlm/ntlm_buffer_writer_unittest.cc",
-      "ntlm/ntlm_client_unittest.cc",
       "ntlm/ntlm_test_data.h",
       "ntlm/ntlm_unittest.cc",
     ]
@@ -5884,21 +5878,6 @@ fuzzer_test("net_http_stream_parser_fuzzer") {
   dict = "data/fuzzer_dictionaries/net_http_stream_parser_fuzzer.dict"
 }
 
-fuzzer_test("net_ntlm_ntlm_client_fuzzer") {
-  sources = [
-    "ntlm/ntlm_client_fuzzer.cc",
-  ]
-  deps = [
-    ":net_fuzzer_test_support",
-    ":test_support",
-    "//base",
-    "//net",
-    "//net:net_unittests",
-  ]
-  dict = "data/fuzzer_dictionaries/net_ntlm_ntlm_client_fuzzer.dict"
-  seed_corpus = "data/fuzzer_data/ntlm_client_fuzzer/"
-}
-
 if (!disable_brotli_filter) {
   fuzzer_test("net_brotli_source_stream_fuzzer") {
     sources = [