stop gcc debug builder from closing the tree

Bug: v8:11037
Change-Id: I39c790bc435ab2c9fde7f17c8c6fa42a920e16d2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2485509Reviewed-by: Liviu Rau <liviurau@chromium.org>
Commit-Queue: Almothana Athamneh <almuthanna@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70661}

infra/mb/mb_config.pyl

@@ -86,7 +86,6 @@
       'V8 Linux - arm64 - sim - MSAN': 'release_simulate_arm64_msan',
       # Misc.
       'V8 Linux gcc': 'release_x86_gcc',
-      'V8 Linux64 gcc - debug': 'debug_x64_gcc',
       # FYI.
       'V8 iOS - sim': 'release_x64_ios_simulator',
       'V8 Linux64 - debug - perfetto - builder': 'debug_x64_perfetto',
@@ -95,6 +94,7 @@
           'release_x64_pointer_compression_without_dchecks',
       'V8 Linux64 - arm64 - sim - pointer compression - builder':
           'release_simulate_arm64_pointer_compression',
+      'V8 Linux64 gcc - debug': 'debug_x64_gcc',
       'V8 Fuchsia - builder': 'release_x64_fuchsia',
       'V8 Fuchsia - debug builder': 'debug_x64_fuchsia',
       'V8 Linux64 - cfi': 'release_x64_cfi',