github/workflows: Remove the unix "settrace" CI job.

This becomes redundant when the main coverage build includes settrace.

Signed-off-by: Jeff Epler <jepler@gmail.com>

.github/workflows/ports_unix.yml

@@ -169,23 +169,6 @@ jobs:
       if: failure()
       run: tests/run-tests.py --print-failures
 
-  settrace:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-python@v5
-      # Python 3.12 is the default for ubuntu-24.04, but that has compatibility issues with settrace tests.
-      # Can remove this step when ubuntu-latest uses a more recent Python 3.x as the default.
-      with:
-        python-version: '3.11'
-    - name: Build
-      run: source tools/ci.sh && ci_unix_settrace_build
-    - name: Run main test suite
-      run: source tools/ci.sh && ci_unix_settrace_run_tests
-    - name: Print failures
-      if: failure()
-      run: tests/run-tests.py --print-failures
-
   settrace_stackless:
     runs-on: ubuntu-latest
     steps:

tools/ci.sh

@@ -480,13 +480,6 @@ function ci_stm32_misc_build {
 ########################################################################################
 # ports/unix
 
-CI_UNIX_OPTS_SYS_SETTRACE=(
-    MICROPY_PY_BTREE=0
-    MICROPY_PY_FFI=0
-    MICROPY_PY_SSL=0
-    CFLAGS_EXTRA="-DMICROPY_PY_SYS_SETTRACE=1"
-)
-
 CI_UNIX_OPTS_SYS_SETTRACE_STACKLESS=(
     MICROPY_PY_BTREE=0
     MICROPY_PY_FFI=0
@@ -734,16 +727,6 @@ function ci_unix_float_clang_run_tests {
     ci_unix_run_tests_helper CC=clang
 }
 
-function ci_unix_settrace_build {
-    make ${MAKEOPTS} -C mpy-cross
-    make ${MAKEOPTS} -C ports/unix submodules
-    make ${MAKEOPTS} -C ports/unix "${CI_UNIX_OPTS_SYS_SETTRACE[@]}"
-}
-
-function ci_unix_settrace_run_tests {
-    ci_unix_run_tests_full_helper standard "${CI_UNIX_OPTS_SYS_SETTRACE[@]}"
-}
-
 function ci_unix_settrace_stackless_build {
     make ${MAKEOPTS} -C mpy-cross
     make ${MAKEOPTS} -C ports/unix submodules