max1720x_battery: remove redundant reading data behavior

rc2_tempco and rc2_learncfg can be set by partail data of fg-params,
no need extra device tree setting. Remove redundant reading and change
to read from max_m5.

Bug: 310296887
Change-Id: I4552e1ec641beed5c7559faab37d6ad550a98c32
Signed-off-by: Jenny Ho <[email protected]>
(cherry picked from commit 5f92be56ff4e78177c88ab6d7a47d32fcf9579f7)
3 files changed