Remove __version__ as it is not useful

It causes problem when pkg_resources or metadata package is not present.
Example issue: #160
If somebody needs version they can use metadata or pkg_resources packages directly.

.gitignore

@@ -21,3 +21,5 @@ docs/_build
 /.cache/
 /.pytest_cache/
 /tests/.connection.json
+/venv
+/venv311

src/pytds/__init__.py

@@ -69,13 +69,8 @@
 from .tds_base import logger
 
 __author__ = "Mikhail Denisenko <[email protected]>"
-try:
-    __version__ = utils.package_version("python-tds")
-except Exception:
-    __version__ = "DEV"
 
-
-intversion = utils.ver_to_int(__version__)
+intversion = utils.ver_to_int("1.0.0")
 
 #: Compliant with DB SIG 2.0
 apilevel = "2.0"

src/pytds/utils.py

@@ -9,11 +9,6 @@
 import typing
 from collections.abc import Callable
 
-if sys.version_info < (3, 8):
-    import pkg_resources
-else:
-    from importlib import metadata
-
 logger = logging.getLogger("pytds")
 T = typing.TypeVar("T")
 
@@ -88,9 +83,3 @@ def ver_to_int(ver: str) -> int:
         return 0
     maj, minor, _ = ver.split(".")
     return (int(maj) << 24) + (int(minor) << 16)
-
-
-def package_version(name: str) -> str:
-    if sys.version_info < (3, 8):
-        return pkg_resources.get_distribution(name).version
-    return metadata.version(name)