makepanda: makepackage/makewheel take default version from setup.cfg

dtool/PandaVersion.pp is obsolete and will be removed soon.

makepanda/makepackage.py

@@ -1039,7 +1039,7 @@ def MakeInstaller(version, **kwargs):
 
 
 if __name__ == "__main__":
-    version = ParsePandaVersion("dtool/PandaVersion.pp")
+    version = GetMetadataValue('version')
 
     parser = OptionParser()
     parser.add_option('', '--version', dest='version', help='Panda3D version number (default: %s)' % (version), default=version)

makepanda/makewheel.py

@@ -15,7 +15,7 @@ import tempfile
 import subprocess
 from distutils.sysconfig import get_config_var
 from optparse import OptionParser
-from makepandacore import ColorText, LocateBinary, ParsePandaVersion, GetExtensionSuffix, SetVerbose, GetVerbose, GetMetadataValue
+from makepandacore import ColorText, LocateBinary, GetExtensionSuffix, SetVerbose, GetVerbose, GetMetadataValue
 from base64 import urlsafe_b64encode
 
 
@@ -717,7 +717,7 @@ __version__ = '{0}'
 
 
 if __name__ == "__main__":
-    version = ParsePandaVersion("dtool/PandaVersion.pp")
+    version = GetMetadataValue('version')
 
     parser = OptionParser()
     parser.add_option('', '--version', dest = 'version', help = 'Panda3D version number (default: %s)' % (version), default = version)