Do not rebaseline for win7

Remove win7-blink-rel from builders.json and Win7 from test expectations.

This is the first step to drop win7 support. After that we will remove
luci config for win7-blink-rel bot and other infra support.

Bug: 1316545
Change-Id: Ic8401eb98a9b16c853ac1c74cbf39136d65f4f8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3689918
Reviewed-by: Jonathan Lee <[email protected]>
Commit-Queue: Weizhong Xia <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1013147}
diff --git a/docs/testing/web_test_expectations.md b/docs/testing/web_test_expectations.md
index b86bddb..3f3b2008 100644
--- a/docs/testing/web_test_expectations.md
+++ b/docs/testing/web_test_expectations.md
@@ -303,14 +303,14 @@
   applicable to that file.
 * If specified, modifiers must be one of `Fuchsia`, `Mac`, `Mac10.13`,
   `Mac10.14`, `Mac10.15`, `Mac11`, `Mac11-arm64`, `Mac12`, `Mac12-arm64`,
-  `Linux`, `Trusty`, `Win`, `Win7`, `Win10.20h2`, `Win11`, and, optionally,
+  `Linux`, `Trusty`, `Win`, `Win10.20h2`, `Win11`, and, optionally,
   `Release`, or `Debug`. Check the top of
   [TestExpectations](../../third_party/blink/web_tests/TestExpectations) or the
   `ALL_SYSTEMS` macro in
   [third_party/blink/tools/blinkpy/web_tests/port/base.py](../../third_party/blink/tools/blinkpy/web_tests/port/base.py)
   for an up-to-date list.
-* Some modifiers are meta keywords, e.g. `Win` represents `Win7`,
-  `Win10.20h2` and `Win11`. See the `CONFIGURATION_SPECIFIER_MACROS` dictionary in
+* Some modifiers are meta keywords, e.g. `Win` represents `Win10.20h2` and `Win11`.
+  See the `CONFIGURATION_SPECIFIER_MACROS` dictionary in
   [third_party/blink/tools/blinkpy/web_tests/port/base.py](../../third_party/blink/tools/blinkpy/web_tests/port/base.py)
   for the meta keywords and which modifiers they represent.
 * Expectations can be one or more of `Crash`, `Failure`, `Pass`, `Rebaseline`,
@@ -368,7 +368,7 @@
 ```
 crbug.com/12345 [ Mac10.10 ] fast/html [ Failure ]
 crbug.com/12345 [ Mac10.10 ] fast/html/keygen.html [ Pass ]
-crbug.com/12345 [ Win7 ] fast/forms/submit.html [ Failure ]
+crbug.com/12345 [ Win11 ] fast/forms/submit.html [ Failure ]
 crbug.com/12345 fast/html/section-element.html [ Failure Crash ]
 ```