[heap] Remove MinorMC variant from bots

As part of revising MinorMC, it would soon be broken and bots should
not be red because of it.

Bug: v8:12612
Change-Id: I0551d0a115ac2f4fa7fc32190458850f80b84cf5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3810353
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Reviewed-by: Almothana Athamneh <almuthanna@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82197}

infra/testing/builders.pyl

@@ -348,7 +348,6 @@
       {'name': 'test262', 'variant': 'extra', 'shards': 9},
       {'name': 'v8testing', 'shards': 5},
       {'name': 'v8testing', 'variant': 'extra', 'shards': 5},
-      {'name': 'v8testing', 'variant': 'minor_mc'},
       {'name': 'v8testing', 'variant': 'no_lfa'},
       {'name': 'v8testing', 'variant': 'stress_instruction_scheduling'},
       {'name': 'v8testing', 'variant': 'stress_concurrent_allocation'},
@@ -530,7 +529,6 @@
       {'name': 'v8initializers'},
       {'name': 'v8testing', 'shards': 2},
       {'name': 'v8testing', 'variant': 'extra', 'shards': 2},
-      {'name': 'v8testing', 'variant': 'minor_mc'},
       {'name': 'v8testing', 'variant': 'no_lfa'},
       {'name': 'v8testing', 'variant': 'slow_path'},
       {'name': 'v8testing', 'variant': 'stress_instruction_scheduling'},
@@ -1175,7 +1173,6 @@
       {'name': 'v8testing'},
       {'name': 'v8testing', 'variant': 'assert_types'},
       {'name': 'v8testing', 'variant': 'extra'},
-      {'name': 'v8testing', 'variant': 'minor_mc'},
       {'name': 'v8testing', 'variant': 'no_lfa'},
       {'name': 'v8testing', 'variant': 'stress_instruction_scheduling'},
       # Maglev -- move to extra once more architectures are supported.
@@ -1235,7 +1232,6 @@
       {'name': 'test262', 'variant': 'extra', 'shards': 5},
       {'name': 'v8testing', 'shards': 2},
       {'name': 'v8testing', 'variant': 'extra', 'shards': 2},
-      {'name': 'v8testing', 'variant': 'minor_mc'},
       {'name': 'v8testing', 'variant': 'no_lfa'},
       {'name': 'v8testing', 'variant': 'slow_path'},
       {'name': 'v8testing', 'variant': 'stress_instruction_scheduling'},