Update cmd-graph and cmd-list tesh tests for --match help text

tests/cmd-graph.tesh

@@ -24,9 +24,7 @@ $ zk graph --help
 >Filtering
 >  -i, --interactive                Select notes interactively with fzf.
 >  -n, --limit=COUNT                Limit the number of notes found.
->  -m, --match=QUERY,...            Terms to search for in the notes. If given
->                                   multiple times each argument is joined with a
->                                   boolean AND.
+>  -m, --match=QUERY,...            Terms to search for in the notes.
 >  -M, --match-strategy=STRATEGY    Text matching strategy among: fts, re, exact.
 >  -x, --exclude=PATH,...           Ignore notes matching the given path,
 >                                   including its descendants.

tests/cmd-list.tesh

@@ -32,9 +32,7 @@ $ zk list --help
 >Filtering
 >  -i, --interactive                Select notes interactively with fzf.
 >  -n, --limit=COUNT                Limit the number of notes found.
->  -m, --match=QUERY,...            Terms to search for in the notes. If given
->                                   multiple times each argument is joined with a
->                                   boolean AND.
+>  -m, --match=QUERY,...            Terms to search for in the notes.
 >  -M, --match-strategy=STRATEGY    Text matching strategy among: fts, re, exact.
 >  -x, --exclude=PATH,...           Ignore notes matching the given path,
 >                                   including its descendants.