Stop vendoring libstdc++.so.*-gdb.py
Stop vendoring libstdc++.so.*-gdb.py

Existing code was globbing for libstdc++.so.* and copying it to gpdb
lib, we are now ignoring the .py since that should not be vendored.

* also cleaned up bash, no need for trailing '/.' on copy. Thanks d#!

[#164347190]

Co-authored-by: Oliver Albertini <aeef948b459eb58ad41c7f6e2c98cfd4712363b4@pivotal.io>
Co-authored-by: Nandish Jayaram <69240be4bf35132b1e9c2ab8b8591657177dc477@pivotal.io>

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