[SPARK-56186][PYTHON][INFRA][FOLLOWUP] Cleanup remaining PyPy related code

### What changes were proposed in this pull request?
This PR removes remaining PyPy related code.

### Why are the changes needed?
It's almost done in #54988 but there are still a few left and suggested to remove them
#55369 (comment)

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
GA.

### Was this patch authored or co-authored using generative AI tooling?
No.

Closes #55505 from sarutak/remove-pypy.

Authored-by: Kousuke Saruta <sarutak@amazon.co.jp>
Signed-off-by: Kousuke Saruta <sarutak@apache.org>

Author: sarutak

.github/workflows/build_infra_images_cache.yml

@@ -32,7 +32,6 @@ on:
     - 'dev/spark-test-image/sparkr/Dockerfile'
     - 'dev/spark-test-image/python-minimum/Dockerfile'
     - 'dev/spark-test-image/python-ps-minimum/Dockerfile'
-    - 'dev/spark-test-image/pypy-310/Dockerfile'
     - 'dev/spark-test-image/python-310/Dockerfile'
     - 'dev/spark-test-image/python-311/Dockerfile'
     - 'dev/spark-test-image/python-312/Dockerfile'
@@ -140,19 +139,6 @@ jobs:
       - name: Image digest (PySpark PS with old dependencies)
         if: hashFiles('dev/spark-test-image/python-ps-minimum/Dockerfile') != ''
         run: echo ${{ steps.docker_build_pyspark_python_ps_minimum.outputs.digest }}
-      - name: Build and push (PySpark with PyPy 3.10)
-        if: hashFiles('dev/spark-test-image/pypy-310/Dockerfile') != ''
-        id: docker_build_pyspark_pypy_310
-        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
-        with:
-          context: ./dev/spark-test-image/pypy-310/
-          push: true
-          tags: ghcr.io/apache/spark/apache-spark-github-action-image-pyspark-pypy-310-cache:${{ github.ref_name }}-static
-          cache-from: type=registry,ref=ghcr.io/apache/spark/apache-spark-github-action-image-pyspark-pypy-310-cache:${{ github.ref_name }}
-          cache-to: type=registry,ref=ghcr.io/apache/spark/apache-spark-github-action-image-pyspark-pypy-310-cache:${{ github.ref_name }},mode=max
-      - name: Image digest (PySpark with PyPy 3.10)
-        if: hashFiles('dev/spark-test-image/pypy-310/Dockerfile') != ''
-        run: echo ${{ steps.docker_build_pyspark_pypy_310.outputs.digest }}
       - name: Build and push (PySpark with Python 3.10)
         if: hashFiles('dev/spark-test-image/python-310/Dockerfile') != ''
         id: docker_build_pyspark_python_310

dev/infra/Dockerfile

@@ -90,18 +90,6 @@ RUN Rscript -e "install.packages(c('remotes', 'knitr', 'markdown',  \
 # See more in SPARK-39735
 ENV R_LIBS_SITE="/usr/local/lib/R/site-library:${R_LIBS_SITE}:/usr/lib/R/library"
 
-
-RUN add-apt-repository ppa:pypy/ppa
-RUN mkdir -p /usr/local/pypy/pypy3.10 && \
-    curl -sqL https://downloads.python.org/pypy/pypy3.10-v7.3.17-linux64.tar.bz2 | tar xjf - -C /usr/local/pypy/pypy3.10 --strip-components=1 && \
-    ln -sf /usr/local/pypy/pypy3.10/bin/pypy /usr/local/bin/pypy3.10 && \
-    ln -sf /usr/local/pypy/pypy3.10/bin/pypy /usr/local/bin/pypy3
-RUN curl -sS https://bootstrap.pypa.io/get-pip.py | pypy3
-RUN echo 'meson<1.11.0' > /tmp/constraints.txt && \
-    PIP_CONSTRAINT=/tmp/constraints.txt pypy3 -m pip install numpy 'six==1.16.0' 'pandas==2.3.3' scipy coverage matplotlib 'lxml==4.9.4' && \
-    rm -f /tmp/constraints.txt
-
-
 ARG BASIC_PIP_PKGS="numpy pyarrow>=18.0.0 six==1.16.0 pandas==2.3.3 scipy plotly>=4.8 mlflow>=2.8.1 coverage matplotlib openpyxl memory-profiler>=0.61.0 scikit-learn>=1.3.2"
 # Python deps for Spark Connect
 ARG CONNECT_PIP_PKGS="grpcio==1.76.0 grpcio-status==1.76.0 protobuf==6.33.5 googleapis-common-protos==1.71.0 graphviz==0.20.3"