[MacPorts] #33295: update pdb2pqr to new 1.8 release

[MacPorts]

#33295: update pdb2pqr to new 1.8 release
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 Reporter:  howarth@…                 |       Owner:  macports-tickets@…                   
     Type:  update                    |      Status:  new                                  
 Priority:  Normal                    |   Milestone:  MacPorts 2.0.4                       
Component:  ports                     |     Version:  2.0.3                                
 Keywords:  science                   |        Port:  pdb2pqr                              
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 The attached Portfile.diff updates the pdb2pqr package to the new v1.8
 release.[[BR]]
 It also switches pdb2pqr to use py26-numpy rather than py26-numeric.[[BR]]
 Lastly the non-essential propka shell script is removed because the propka
 3.0[[BR]]
 in pdb2pqr is now entirely written in python.

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Ticket URL: <https://trac.macports.org/ticket/33295>
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