Remove src-side configs for memory.full builders.

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index f5fc2e781031d83d1a8d83c388c5abfb5630d50a..fb0167dec15a62336cc1f997ca775a8606c6ce18 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -312,17 +312,6 @@
       'Mac ASan 64 Builder': 'asan_full_symbols_disable_nacl_release_bot_dcheck_always_on',
     },
 
-    'chromium.memory.fyi': {
-      'Chromium Linux ChromeOS MSan Builder': 'chromeos_msan_release_bot',
-      'Chromium Linux MSan Builder': 'msan_release_bot',
-    },
-
-    'chromium.memory.full': {
-      'Chromium Linux ChromeOS MSan Builder': 'chromeos_msan_release_bot',
-      'Chromium Linux MSan Builder': 'msan_release_bot',
-      'Chromium Linux TSan Builder': 'tsan_disable_nacl_release_bot',
-    },
-
     'chromium.perf': {
       'Android Builder': 'official_goma_minimal_symbols_android',
       'Android arm64 Builder': 'official_goma_minimal_symbols_android_arm64',