[z1966] Remove partial DummyEffect implementation of spell 8593

Both belong to Paladin Resurrection quests. And they are expected to be handled by SD2

Signed-off-by: Schmoozerd <schmoozerd@scriptdev2.com>
Signed-off-by: Nighoo <nighoo@gmail.com>

(based on commit 7834459)

(cleaned version of b51e3f3)

(based on commit [s1555] - a5936c8)