profiles: Disable smi, ssl and samba in net-analyzer/tcpdump

They became enabled by default after an update. We didn't need them
before, we don't need them now. Also, enabling smi pulls in
net-libs/libsmi that does not have a keyword for arm64 even.

profiles/coreos/base/package.use

@@ -154,3 +154,8 @@ net-libs/libtirpc kerberos
 # Disable enabled-by-default support for 16-bit characters, we didn't
 # need it before, so we don't need it now.
 dev-libs/libpcre2 -pcre16
+
+# Disable extra stuff for tcpdump, there was no explanation why it was
+# enabled by upstream. Samba was enabled to make some tests pass. But
+# smi and ssl, no clue.
+net-analyzer/tcpdump -ssl -smi -samba