Removal of obsolete CallsiteExecutionState code and tests

These have been superseded by the trace implementation, the code doesn't function correctly and the tests are all failing. As it's not actually used in the project, lets thank it for its contribution and remove it.
Missing file from last commit
Fix typo in test case
Remove test based on old geometry library
Remove tests that depend on the old geometry library
Removal of tests based on the old geometry library
Removal of obsolete tests and fixup
Merge pull request #1826 from DynamoDS/testfixes

Testfixes