Remove CI/CD python 3.8 requirements (#137893)

Python 3.8 is deprecated from CI/CD. No reason have these pins
Pull Request resolved: https://github.com/pytorch/pytorch/pull/137893
Approved by: https://github.com/Skylion007, https://github.com/huydhn, https://github.com/albanD, https://github.com/kit1980

.ci/docker/requirements-ci.txt

@@ -322,7 +322,6 @@ lxml==5.0.0
 
 PyGithub==2.3.0
 
-sympy==1.12.1 ; python_version == "3.8"
 sympy==1.13.1 ; python_version >= "3.9"
 #Description: Required by coremltools, also pinned in .github/requirements/pip-requirements-macOS.txt
 #Pinned versions:

.lintrunner.toml

@@ -136,11 +136,9 @@ init_command = [
     'python3',
     'tools/linter/adapters/pip_init.py',
     '--dry-run={{DRYRUN}}',
-    'numpy==1.24.3 ; python_version == "3.8"',
     'numpy==1.26.0 ; python_version >= "3.9"',
     'expecttest==0.2.1',
     'mypy==1.11.2',
-    'sympy==1.12.1 ; python_version == "3.8"',
     'sympy==1.13.0 ; python_version >= "3.9"',
     'types-requests==2.27.25',
     'types-PyYAML==6.0.7',

requirements.txt

@@ -12,7 +12,6 @@ requests
 setuptools<=72.1.0
 types-dataclasses
 typing-extensions>=4.8.0
-sympy==1.12.1 ; python_version == "3.8"
 sympy==1.13.1 ; python_version >= "3.9"
 filelock
 networkx

setup.py

@@ -1143,7 +1143,6 @@ def main():
         "filelock",
         "typing-extensions>=4.8.0",
         'setuptools ; python_version >= "3.12"',
-        'sympy==1.12.1 ; python_version == "3.8"',
         'sympy==1.13.1 ; python_version >= "3.9"',
         "networkx",
         "jinja2",