Remove unreachable step level `[ci skip]`

.github/workflows/macos.yml

@@ -46,13 +46,13 @@ jobs:
         run: make -s ${{ matrix.test_task }} TESTOPTS="$JOBS -q --tty=no"
         env:
           MSPECOPT: "-ff" # not using `-j` because sometimes `mspec -j` silently dies
-        if: matrix.test_task != 'test-bundled-gems' && !contains(github.event.head_commit.message, '[ci skip]')
+        if: matrix.test_task != 'test-bundled-gems'
       - name: Tests (test-bundled-gems)
         # Remove minitest from TEST_BUNDLED_GEMS_ALLOW_FAILURES if https://github.com/seattlerb/minitest/pull/798 is resolved
         run: make -s ${{ matrix.test_task }} TEST_BUNDLED_GEMS_ALLOW_FAILURES=minitest
         env:
           RUBY_TESTOPTS: "-q --tty=no"
-        if: matrix.test_task == 'test-bundled-gems' && !contains(github.event.head_commit.message, '[ci skip]')
+        if: matrix.test_task == 'test-bundled-gems'
       - name: Leaked Globals
         run: make -s leaked-globals
       - uses: k0kubun/action-slack@v2.0.0

.github/workflows/ubuntu.yml

@@ -74,13 +74,13 @@ jobs:
         run: make -s ${{ matrix.test_task }} TESTOPTS="$JOBS -q --tty=no"
         env:
           MSPECOPT: "-ff" # not using `-j` because sometimes `mspec -j` silently dies
-        if: matrix.test_task != 'test-bundled-gems' && !contains(github.event.head_commit.message, '[ci skip]')
+        if: matrix.test_task != 'test-bundled-gems'
       - name: Tests (test-bundled-gems)
         # Remove minitest from TEST_BUNDLED_GEMS_ALLOW_FAILURES if https://github.com/seattlerb/minitest/pull/798 is resolved
         run: make -s ${{ matrix.test_task }} TEST_BUNDLED_GEMS_ALLOW_FAILURES=minitest
         env:
           RUBY_TESTOPTS: "-q --tty=no"
-        if: matrix.test_task == 'test-bundled-gems' && !contains(github.event.head_commit.message, '[ci skip]')
+        if: matrix.test_task == 'test-bundled-gems'
       - name: Leaked Globals
         run: make -s leaked-globals
       - name: Debug GitHub context

.github/workflows/windows.yml

@@ -59,7 +59,6 @@ jobs:
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\${{ matrix.vs }}\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           nmake ${{ matrix.test_task }}
-        if: "!contains(github.event.head_commit.message, '[ci skip]')"
       - uses: k0kubun/action-slack@v2.0.0
         with:
           payload: |