[infra] Remove remnant of analyzer-linux-release-analyzer-new.

Change-Id: I09ed66cbdb20ed7334f029a464008faf0f403fa4
Reviewed-on: https://dart-review.googlesource.com/c/92600
Reviewed-by: William Hesse <whesse@google.com>
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index e6f9daf..9a7b296 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -1289,7 +1289,6 @@
         "analyzer-mac-release",
         "analyzer-win-release",
         "analyzer-linux-release-analyzer",
-        "analyzer-linux-release-analyzer-new",
         "analyzer-mac-release-analyzer",
         "analyzer-win-release-analyzer"
       ],