build: remove symbol which doesn't exist in libnvme-mi.so

[parona-source]

Last unused symbol, 20a3fa8 cleaned up the rest in libnvme.so.

clang  -o src/libnvme-mi.so.1.6.0 src/libnvme-mi.so.1.6.0.p/nvme_cleanup.c.o src/libnvme-mi.so.1.6.0.p/nvme_log.c.o src/libnvme-mi.so.1.6.0.p/nvme_mi.c.o src/libnvme-mi.so.1.6.0.p/nvme_mi-mctp.c.o -Wl,--as-needed -Wl,--no-undefined -shared -fPIC -Wl,--start-group -Wl,-soname,libnvme-mi.so.1 -O3 -pipe -march=znver3 -flto=thin -Wl,-O1 -Wl,--as-needed -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 ccan/libccan.a -Wl,--version-script=/var/tmp/portage/sys-libs/libnvme-1.6/work/libnvme-1.6/src/libnvme-mi.map /usr/lib64/libdbus-1.so -Wl,--end-group
ld.lld: error: version script assignment of 'LIBNVME_MI_1_1' to symbol 'nvme_mi_root_close' failed: symbol not defined
clang: error: linker command failed with exit code 1 (use -v to see invocation)

https://github.com/search?q=repo%3Alinux-nvme%2Flibnvme%20nvme_mi_root_close&type=code

Bug: https://bugs.gentoo.org/914635
Signed-off-by: Alfred Wingate [email protected]

[igaw]

Thanks!