Disable test mir_heavy_promoted

Author: antoyo

test.sh

@@ -321,6 +321,7 @@ EOF
     git checkout -- src/test/ui/issues/auxiliary/issue-3136-a.rs # contains //~ERROR, but shouldn't be removed
 
     rm -r src/test/ui/{abi*,extern/,panic-runtime/,panics/,unsized-locals/,proc-macro/,threads-sendsync/,thinlto/,borrowck/,chalkify/bugs/,test*,*lto*.rs,consts/const-float-bits-reject-conv.rs,consts/issue-miri-1910.rs} || true
+    rm src/test/ui/mir/mir_heavy_promoted.rs # this tests is oom-killed in the CI.
     for test in $(rg --files-with-matches "catch_unwind|should_panic|thread|lto" src/test/ui); do
       rm $test
     done