devel/py-msgpack: Revert 0450cd7a

This note is not needed since archivers/py-borgbackup* are checked during
devel/py-msgpack update already.

Reference:	https://cgit.freebsd.org/ports/commit/?id=464b0ec1df6c92d8804246d710a7e9ff76dfbb35
		https://cgit.freebsd.org/ports/commit/?id=b40c8cdf2f37cda283f395467a153d530f3945cd
		https://cgit.freebsd.org/ports/commit/?id=39aceba8c10c6da8e36ff21edd6e8d2c26edecd1
		https://cgit.freebsd.org/ports/commit/?id=70fc1370fd3c1ffe28800ad64819d3636141d93f
		https://cgit.freebsd.org/ports/commit/?id=36bc423e164e8ed5534b1b5e0c6cfd2ee7859c78
		https://cgit.freebsd.org/ports/commit/?id=e295ee325d650f524bcdecdf5ed02f24fb149c58

devel/py-msgpack/Makefile

 PORTNAME=	msgpack
-PORTVERSION=	1.1.0	# NOTE: check archivers/py-borgbackup* or consult its maintainer because borgbackup pins minor versions of msgpack. We may need to copy an additional version of msgpack in the ports tree.
+PORTVERSION=	1.1.0
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}