[CPUFREQ] Longhaul - Remove duplicate tables

Now there is no need to depend on -1 in Nehemiah tables. After
previous change code is eliminating multipliers lower then 5.0
by minmult for Nehemiah A and B.

Signed-off-by: Rafa³ Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>