science/py-h5py: unbreak packaging with python!= 3.9

pkg-static: Unable to access file /wrkdirs/usr/ports/science/py-h5py/work-py310/stage/usr/local/share/doc/py310-h5py/whatsnew/3.10.rst:No such file or directory

Versioned release notes files shouldn't be covered with %%PYTHON_VER%% macro.

No PORTREVISION bump, python 3.9 is a default version and package content isn't changed.

Reported by:	poudriere failure
Approved by:	portmgr blanket (trivial fix)

science/py-h5py/pkg-plist

@@ -23,7 +23,6 @@
 %%PORTDOCS%%%%DOCSDIR%%/strings.rst
 %%PORTDOCS%%%%DOCSDIR%%/swmr.rst
 %%PORTDOCS%%%%DOCSDIR%%/vds.rst
-%%PORTDOCS%%%%DOCSDIR%%/whatsnew/%%PYTHON_VER%%.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/2.0.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/2.1.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/2.10.rst
@@ -45,6 +44,7 @@
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/3.6.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/3.7.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/3.8.rst
+%%PORTDOCS%%%%DOCSDIR%%/whatsnew/3.9.rst
 %%PORTDOCS%%%%DOCSDIR%%/whatsnew/index.rst
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/bytesio.py
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/collective_io.py