revert: Drop upstreamed PerfPowerServices macos-15-intel fixes (#2644)

* Remove macos-15-intel specific runner fixes as they have been upstreamed
  into GitHub Actions runners.
   - c.f. actions/runner-images#13414
* Reverts PR #2641

Author: matthewfeickert

.github/workflows/ci.yml

@@ -39,13 +39,6 @@ jobs:
             python-version: '3.13'
 
     steps:
-    # c.f. https://github.com/actions/runner-images/issues/13358
-    - name: Work around x86 macOS bug for multiple CPU cores
-      if: matrix.os == 'macos-15-intel'
-      run: |
-        sudo defaults -currentHost write /Library/Preferences/com.apple.powerlogd SMCMonitorCadence 0
-        sudo killall PerfPowerServices || true
-
     - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/dependencies-head.yml

@@ -24,13 +24,6 @@ jobs:
         python-version: ['3.13']
 
     steps:
-    # c.f. https://github.com/actions/runner-images/issues/13358
-    - name: Work around x86 macOS bug for multiple CPU cores
-      if: matrix.os == 'macos-15-intel'
-      run: |
-        sudo defaults -currentHost write /Library/Preferences/com.apple.powerlogd SMCMonitorCadence 0
-        sudo killall PerfPowerServices || true
-
     - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/release_tests.yml

@@ -32,13 +32,6 @@ jobs:
       fail-fast: false
 
     steps:
-    # c.f. https://github.com/actions/runner-images/issues/13358
-    - name: Work around x86 macOS bug for multiple CPU cores
-      if: matrix.os == 'macos-15-intel'
-      run: |
-        sudo defaults -currentHost write /Library/Preferences/com.apple.powerlogd SMCMonitorCadence 0
-        sudo killall PerfPowerServices || true
-
     - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}