Revert "Use SpellCheckerSessionParams in CTS."

Revert submission 14191185-ky-tsm

Reason for revert: breaks build test_suites_x86_64 b/185855437
Reverted Changes:
I724aaad15:Introduce SpellCheckerSessionParams.
I510a4cfec:Use SpellCheckerSessionParams in CTS.

Change-Id: Iab85a0dd910e701e792729bc2ffc1338dad0db8e
1 file changed