libpmc: remove tautological assert

[brooks]

Summary

gcc13 whines about this assert than an unsigned integer is >= 0.

Fixes: b48a2770d48b9 powerpc64: add Power8 and Power9 PMCs

[luporl]

LGTM.

lib/libpmc/libpmc_pmu_util.c

 PORTNAME=       poudriere
 DISTVERSION=    3.3.99.20220831
-PORTREVISION=   0
+PORTREVISION=   1
 CATEGORIES=     ports-mgmt
 MASTER_SITES=   LOCAL/bdrewery/${PORTNAME}/ \
                 http://mirror.shatow.net/freebsd/${PORTNAME}/ \
                 GH
 PKGNAMESUFFIX=  -devel
 
 MAINTAINER=     [e-mail]
 COMMENT=        Port build and test system
 WWW=            https://github.com/freebsd/poudriere/wiki
 
 LICENSE=        BSD2CLAUSE
 
 CONFLICTS_INSTALL=      poudriere
 
 USE_GITHUB=     yes
 GH_ACCOUNT=     freebsd
 GH_TAGNAME=     3.3.0-1135-g137c376a8
 
 GNU_CONFIGURE=  yes
 ETCDIR=         ${PREFIX}/etc/poudriere.d
 
-OPTIONS_DEFINE=        BASH CERTS DIALOG4PORTS EXAMPLES QEMU ZSH
-OPTIONS_DEFAULT=BASH CERTS DIALOG4PORTS ZSH
+OPTIONS_DEFINE=        BASH MANIFESTS DIALOG4PORTS EXAMPLES QEMU ZSH
+OPTIONS_DEFAULT=BASH MANIFESTS DIALOG4PORTS ZSH
 OPTIONS_SUB=    yes
 
-CERTS_DESC=                Install checksum and SSL certificates for jail creation
-CERTS_RUN_DEPENDS+=        ca_root_nss>=0:security/ca_root_nss
-CERTS_RUN_DEPENDS+=     freebsd-release-manifests>0:misc/freebsd-release-manifests
+MANIFESTS_DESC=                Install manifests for jail creation
+MANIFESTS_RUN_DEPENDS+=        freebsd-release-manifests>0:misc/freebsd-release-manifests
 
 DIALOG4PORTS_DESC=        Install dialog4ports for options command
 DIALOG4PORTS_RUN_DEPENDS=       dialog4ports>0:ports-mgmt/dialog4ports
 
 QEMU_DESC=      Add qemu-user-static for non-x86 architectures
 QEMU_RUN_DEPENDS=       qemu-user-static>0:emulators/qemu-user-static
 
 .include <bsd.port.options.mk>