Revert "- Implemented the function Java_com_intel_bluetooth_BluetoothStackOSX_retrieveDevicesImpl with support to retrieve PREKNOWN bluetooth devices - Added dummy implementation for Java_com_intel_bluetooth_BluetoothStackOSX_isRemoteDeviceTrustedImpl and Java_com_intel_bluetooth_BluetoothStackOSX_isRemoteDeviceAuthenticatedImpl to prevent UnstatisfiedLinkErrors "

This reverts commit 73880b49f8cd5d33971104fe168fcf0c0eaecb6f.
Revert "set failonerror to false in ant delete task (clean-remove-created-files-main) to prevent build failure if the src/main/resources directory does not exist"

This reverts commit 979c47afc4f5936b9992d78fade85f6f7724ea42.