Updated Silvervine Root Twist behavior (#2377)

* Fixes #1139.
* Should be removable by Earth Shaker.
* Removed maxcount limit as it's not a ground skill anymore.

db/re/skill_db.txt

@@ -1368,8 +1368,8 @@
 5026,9,6,1,2:3:1:4:8,0,0,5,1,yes,0,0,0,magic,0,0x0,		SU_SV_STEMSPEAR,Silvervine Stem Spear
 5027,9,6,1,0,0x3,0,5,1,yes,0,0,1,none,0,0x0,		SU_CN_POWDERING,Catnip Powdering
 5028,9,8,2,0,0,1:1:2:2:3,5,-5,yes,0,0,0,magic,0,0x0,		SU_CN_METEOR,Catnip Meteor
-5029,9,6,1,0,0x1,0,5,1,yes,0,0,1,none,0,0x0,		SU_SV_ROOTTWIST,Silvervine Root Twist
-5030,0,6,1,5,0x70,0,5,1,no,0,0,1,misc,0,0x0,	SU_SV_ROOTTWIST_ATK,Silver Vine Root Twist Attack
+5029,9,6,1,0,0x1,0,5,1,yes,0,0,0,none,0,0x0,		SU_SV_ROOTTWIST,Silvervine Root Twist
+5030,0,6,1,5,0x70,0,5,1,no,0,0,0,misc,0,0x0,	SU_SV_ROOTTWIST_ATK,Silver Vine Root Twist Attack
 5031,0,0,0,0,0,0,1,0,no,0,0,0,none,0,0x0,		SU_POWEROFLIFE,Power of Life
 5032,9,6,1,-1,0,0,5,1,yes,0,0,0,weapon,0,0x0,	SU_SCAROFTAROU,Scar of Tarou
 5033,9,8,1,-1,0,0,5,-5,yes,0,0,0,weapon,0,0x0,	SU_PICKYPECK,Picky Peck

src/map/skill.c

@@ -1640,6 +1640,7 @@ int skill_additional_effect(struct block_list* src, struct block_list *bl, uint1
 		break;
 	case SR_EARTHSHAKER:
 		sc_start(src,bl,SC_STUN, 25 + 5 * skill_lv,skill_lv,skill_get_time(skill_id,skill_lv));
+		status_change_end(bl, SC_SV_ROOTTWIST, INVALID_TIMER);
 		break;
 	case SR_HOWLINGOFLION:
 		sc_start(src,bl, SC_FEAR, 5 + 5 * skill_lv, skill_lv, skill_get_time(skill_id, skill_lv));