removed leases create log statement

[joshmarsh]

Proposed changes

Removes the "Lease created." output when creating a lease, so that only JSON is printed.

~Lease created.~ { "accountId": "xxxx07951447", "budgetAmount": 100, "budgetCurrency": "USD", "budgetNotificationEmails": [ "jane.doe@email.com" ], "createdOn": 1583509573, "expiresOn": 1584114371, "id": "xxxxa77c-ac73-4f71-9a04-092b4ceeb40a", "lastModifiedOn": 1583509573, "leaseStatus": "Active", "leaseStatusModifiedOn": 1583509573, "leaseStatusReason": "Active", "principalId": "josh1" }

Types of changes

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Refactor (changes to code, which do not change application behavior)

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• [x] I have filled out this PR template
• [x] I have read the CONTRIBUTING doc
• [ ] I have added automated tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (README.md, inline comments, etc.)
• [ ] I have updated the CHANGELOG.md under a ## next release, with a short summary of my changes

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