Remove boilerplate code

No need for all that now that we only support Python 3.9+

Signed-off-by: Aurélien Bompard <[email protected]>

noggin/__init__.py

@@ -1,16 +1,4 @@
-# Set the version
-try:
-    import importlib.metadata
+import importlib.metadata
 
-    __version__ = importlib.metadata.version("noggin-aaa")
-except ImportError:
-    try:
-        import pkg_resources
 
-        try:
-            __version__ = pkg_resources.get_distribution("noggin-aaa").version
-        except pkg_resources.DistributionNotFound:
-            # The app is not installed, but the flask dev server can run it nonetheless.
-            __version__ = None
-    except ImportError:
-        __version__ = None
+__version__ = importlib.metadata.version("noggin-aaa")