win lto bots: Stop explicitly setting max_jobs_per_link

This is now set to the right value automatically.
No behavior change.

Bug: 1132930
Change-Id: I54228279af02cf05a095c5bd013386e76249e861
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2469540
Commit-Queue: Nico Weber <thakis@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Auto-Submit: Nico Weber <thakis@chromium.org>
Reviewed-by: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817094}

tools/mb/mb_config.pyl

@@ -1690,11 +1690,11 @@
     ],
 
     'clang_tot_win_official_full_symbols_thin_lto_static_x86': [
-      'clang_tot', 'official', 'full_symbols', 'link_jobs_32', 'thin_lto', 'static', 'x86', 'win_linker_timing',
+      'clang_tot', 'official', 'full_symbols', 'thin_lto', 'static', 'x86', 'win_linker_timing',
     ],
 
     'clang_tot_win_official_full_symbols_thin_lto_static': [
-      'clang_tot', 'official', 'full_symbols', 'link_jobs_32', 'thin_lto', 'static', 'win_linker_timing',
+      'clang_tot', 'official', 'full_symbols', 'thin_lto', 'static', 'win_linker_timing',
     ],
 
     'clang_tot_official_minimal_symbols_static_release': [
@@ -2844,10 +2844,6 @@
 
     'libfuzzer': { 'gn_args': 'use_libfuzzer=true' },
 
-    'link_jobs_32': {
-      'gn_args': 'max_jobs_per_link=32',
-    },
-
     'lsan': {
       'gn_args': 'is_lsan=true',
     },

tools/mb/mb_config_expectations/chromium.clang.json

@@ -382,7 +382,6 @@
       "is_component_build": false,
       "is_official_build": true,
       "llvm_force_head_revision": true,
-      "max_jobs_per_link": 32,
       "symbol_level": 2,
       "target_cpu": "x86",
       "use_thin_lto": true,
@@ -396,7 +395,6 @@
       "is_component_build": false,
       "is_official_build": true,
       "llvm_force_head_revision": true,
-      "max_jobs_per_link": 32,
       "symbol_level": 2,
       "use_thin_lto": true,
       "win_linker_timing": true