Remove deprecated variable PIP_DEPENDENCY_PATH in gemnasium-python
Problem to solve
PIP_DEPENDENCY_PATH
variable has ben deprecated in %12.2 and should be removed in 13.0
Proposal
Clean up the analyzer code and remove the PIP_DEPENDENCY_PATH
support.
What does success look like, and how can we measure that?
PIP_DEPENDENCY_PATH
variable support is removed.