[build] Remove MB configs of removed bots

TBR=sergiyb@chromium.org
NOTRY=true

Bug: chromium:786303
Change-Id: Ia88c6c6e69f7c96dc1ac6d4b4ab140a06711f0f1
Reviewed-on: https://chromium-review.googlesource.com/890520
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50916}

infra/mb/mb_config.pyl

@@ -75,7 +75,6 @@
       'V8 Win32 - nosnap - shared':
         'gn_release_x86_no_snap_shared_minimal_symbols',
       # TODO(machenbach): Remove after switching to x64 on infra side.
-      'V8 Win32 ASAN': 'gn_release_x64_asan_no_lsan',
       'V8 Win64 ASAN': 'gn_release_x64_asan_no_lsan',
       'V8 Win64': 'gn_release_x64_minimal_symbols',
       'V8 Win64 - debug': 'gn_debug_x64_minimal_symbols',
@@ -110,14 +109,6 @@
       'V8 Random Deopt Fuzzer - debug': 'gn_debug_x64',
     },
     'client.v8.clusterfuzz': {
-      # TODO(machenbach): Remove the following two bots when removed on infra.
-      'V8 Win32 ASAN - release builder':
-        'gn_release_x86_asan_no_lsan_verify_heap',
-      # Note this is called a debug builder, but it uses a release build
-      # configuration with dchecks (which enables DEBUG in V8), since win-asan
-      # debug is not supported.
-      'V8 Win32 ASAN - debug builder':
-        'gn_release_x86_asan_no_lsan_verify_heap_dchecks',
       'V8 Win64 ASAN - release builder':
         'gn_release_x64_asan_no_lsan_verify_heap',
       # Note this is called a debug builder, but it uses a release build
@@ -227,7 +218,6 @@
           'gn_release_x64_tsan_concurrent_marking_minimal_symbols',
       'v8_linux64_ubsan_rel_ng': 'gn_release_x64_ubsan_vptr_minimal_symbols',
       # TODO(machenbach): Remove after switching to x64 on infra side.
-      'v8_win_asan_rel_ng': 'gn_release_x64_asan_no_lsan',
       'v8_win_dbg': 'gn_debug_x86_trybot',
       'v8_win_compile_dbg': 'gn_debug_x86_trybot',
       'v8_win_rel_ng': 'gn_release_x86_trybot',
@@ -506,11 +496,6 @@
     # GN release configs for x86.
     'gn_release_x86': [
       'gn', 'release_bot', 'x86', 'swarming'],
-    'gn_release_x86_asan_no_lsan_verify_heap': [
-      'gn', 'release_bot', 'x86', 'asan', 'swarming', 'v8_verify_heap'],
-    'gn_release_x86_asan_no_lsan_verify_heap_dchecks': [
-      'gn', 'release_bot', 'x86', 'asan', 'swarming', 'dcheck_always_on',
-      'v8_enable_slow_dchecks', 'v8_verify_heap'],
     'gn_release_x86_disassembler': [
       'gn', 'release_bot', 'x86', 'v8_enable_disassembler'],
     'gn_release_x86_gcc': [