Don't build a known-broken profiler runtime in x86_64-mingw

Author: Zalathar

.github/workflows/ci.yml

@@ -436,7 +436,7 @@ jobs:
           - name: x86_64-mingw
             env:
               SCRIPT: make ci-mingw
-              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-gnu --enable-profiler"
+              RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-gnu"
               NO_DOWNLOAD_CI_LLVM: 1
               CUSTOM_MINGW: 1
             os: windows-2019-8core-32gb

src/ci/github-actions/ci.yml

@@ -677,7 +677,6 @@ jobs:
               SCRIPT: make ci-mingw
               RUST_CONFIGURE_ARGS: >-
                 --build=x86_64-pc-windows-gnu
-                --enable-profiler
               # We are intentionally allowing an old toolchain on this builder (and that's
               # incompatible with LLVM downloads today).
               NO_DOWNLOAD_CI_LLVM: 1