Remove unnecessary quoting in conda package specification

Fix the following error in:
- test/unit/tool_util/test_conda_resolution.py::test_install_conda_build
- test/integration/test_resolvers.py::TestCondaResolutionIntegration::test_dependency_install
- test/integration/test_resolvers.py::TestCondaResolutionIntegration::test_uninstall_through_tools_api

```
InvalidMatchSpec: Invalid spec ''pyopenssl>=22.1.0'': Invalid version '22.1.0'': invalid character(s)
```

lib/galaxy/tool_util/deps/conda_util.py

@@ -48,7 +48,7 @@
 VERSIONED_ENV_DIR_NAME = re.compile(r"__(.*)@(.*)")
 UNVERSIONED_ENV_DIR_NAME = re.compile(r"__(.*)@_uv_")
 USE_PATH_EXEC_DEFAULT = False
-CONDA_PACKAGE_SPECS = ("conda>=23.7.0", "conda-libmamba-solver", "'pyopenssl>=22.1.0'")
+CONDA_PACKAGE_SPECS = ("conda>=23.7.0", "conda-libmamba-solver", "pyopenssl>=22.1.0")
 CONDA_BUILD_SPECS = ("conda-build>=3.22.0",)
 USE_LOCAL_DEFAULT = False