Revert "Add aarch64 runner to publish workflows"

This reverts commit 18aef64.

Author: JR-1991

.github/workflows/publish_pypi.yml

@@ -23,9 +23,6 @@ jobs:
             target: x86_64
           - runner: ubuntu-latest
             target: x86
-          - runner: ubuntu-latest
-            target: aarch64
-
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5

.github/workflows/publish_test_pypi.yml

@@ -25,8 +25,6 @@ jobs:
             target: x86_64
           - runner: ubuntu-latest
             target: x86
-          - runner: ubuntu-latest
-            target: aarch64
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5