BUG: Fix removal of '-' from patientId

The use of std::remove was not correctly implemented.
After removing '-' from the string and shuffling items
forward into the space, the remaining items
in the string need to be explicitly erased.

Modules/IO/GE/src/itkGE5ImageIO.cxx

@@ -272,7 +272,7 @@ GE5ImageIO::ReadHeader(const char * FileNameToRead)
 
   // patient id
   std::string tmpId(buffer.get() + VOff(84, 88), 13);
-  (void)std::remove(tmpId.begin(), tmpId.end(), '-');
+  tmpId.erase(std::remove(tmpId.begin(), tmpId.end(), '-'), tmpId.end());
   strncpy(curImage->patientId, tmpId.c_str(), sizeof(curImage->patientId) - 1);
   curImage->patientId[sizeof(curImage->patientId) - 1] = '\0';