Windows 10 64-bit try server configuration.

scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py

Index: scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py b/scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py
index 0135cf41a9b44fffebd4ad7a75473db8e585a814..b654154bde144c23b0b0014fd9e0d58b96ef98b8 100644
--- a/scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py
+++ b/scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py
@@ -2048,32 +2048,6 @@ SPEC = {
         'platform': 'linux',
       },
     },
-    'Win10 Tests (1)': {
-      'chromium_config': 'chromium',
-      'chromium_apply_config': ['ninja_confirm_noop'],
-      'gclient_config': 'chromium',
-      'chromium_config_kwargs': {
-        'BUILD_CONFIG': 'Release',
-        'TARGET_BITS': 32,
-      },
-      'bot_type': 'tester',
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
-      'tests': [
-        steps.MiniInstallerTest(),
-      ],
-      'parent_buildername': 'Win Builder',
-      'testing': {
-        'platform': 'win',
-      },
-      'enable_swarming': True,
-      'swarming_dimensions': {
-        'os': 'Windows-10-SP0',
-      },
-    },
     'Win SyzyAsan (rel)': {
       'chromium_config': 'chromium',
       'chromium_apply_config': ['syzyasan_compile_only', 'shared_library'],