There's always:

@$AoHref = grep { !($_->{'name'} eq "fred") } @$AoHref;
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if you don't mind clobbering your original data. Or similarly:

my @newAoH = grep { !($_->{'name'} eq "fred") } @$AoHref;
my $newAoHref = \@newAoH;
...
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