SSD issue on macbook pro
You have several options:

Boot to the recovery partition, open disk utility and delete the other non-recovery permissions and then create a new JHFS+ / APFS depending on the macOS version.  (credit Jean_JD in a comment)
Create an external macOS Installer flash drive. Hold the Option key and boot from the flash drive then delete the internal disk entirely including the recovery partition then install macOS. https://support.apple.com/en-us/HT201372
Boot to Internet Recovery Mode,If you use Shift-Option-Command-R during startup, you're offered the macOS that came with your Mac, or the closest version still available. If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available. Connect to WiFi and delete the foreign FreeBSD partitions and install.