File sstpart.h exists twice

[pdbj]

These two files are almost identical; only the first appears to be used:

• src/sst/core/sstpart.h
• src/sst/core/part/sstpart.h

Here's the diff:

$ sdiff -s <(cat -n src/sst/core/sstpart.h) <(cat -n src/sst/core/part/sstpart.h)
    49      virtual void performPartition(PartitionGraph* gra |     49      virtual void performPartition(PartitionGraph* UNU
    60      virtual void performPartition(ConfigGraph* graph) |     60      virtual void performPartition(ConfigGraph* UNUSED