gnucash maint: bindings-python - drop references to gnucash-env

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/df1f033f (commit)
	from  https://github.com/Gnucash/gnucash/commit/0b11a073 (commit)



commit df1f033f4156c3a3b068591350c0156f74711868
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Sat Nov 30 13:20:08 2019 +0100

    bindings-python - drop references to gnucash-env
    
    We no longer ship a gnucash-env script, directly use python(3) instead



Summary of changes:
 bindings/python/example_scripts/account_analysis.py               | 6 +++---
 bindings/python/example_scripts/new_book_with_opening_balances.py | 8 ++++----
 bindings/python/example_scripts/priceDB_test.py                   | 5 +++--
 bindings/python/example_scripts/price_database_example.py         | 5 +++--
 bindings/python/example_scripts/simple_business_create.py         | 4 ++--
 bindings/python/example_scripts/simple_invoice_insert.py          | 2 +-
 bindings/python/example_scripts/test_imbalance_transaction.py     | 2 +-
 7 files changed, 17 insertions(+), 15 deletions(-)