Removed useless debug variables for an old issue (#3247)

Closes #1986

src/map/pc.hpp

@@ -689,10 +689,6 @@ struct map_session_data {
 	bool vars_ok;
 	bool vars_dirty;
 
-	// temporary debugging of bug #3504
-	const char* delunit_prevfile;
-	int delunit_prevline;
-
 	uint16 dmglog[DAMAGELOG_SIZE_PC]; ///target ids
 
 	int c_marker[MAX_SKILL_CRIMSON_MARKER]; /// Store target that marked by Crimson Marker [Cydh]

src/map/status.cpp

@@ -12126,21 +12126,9 @@ int status_change_end_(struct block_list* bl, enum sc_type type, int tid, const
 			break;
 		case SC_DANCING:
 			{
-				const char* prevfile = "<unknown>";
-				int prevline = 0;
 				struct map_session_data *dsd;
 				struct status_change_entry *dsc;
 
-				if( sd ) {
-					if( sd->delunit_prevfile ) { // Initially this is NULL, when a character logs in
-						prevfile = sd->delunit_prevfile;
-						prevline = sd->delunit_prevline;
-					} else
-						prevfile = "<none>";
-					sd->delunit_prevfile = file;
-					sd->delunit_prevline = line;
-				}
-
 				if(sce->val4 && sce->val4 != BCT_SELF && (dsd=map_id2sd(sce->val4))) { // End status on partner as well
 					dsc = dsd->sc.data[SC_DANCING];
 					if(dsc) {
@@ -12154,12 +12142,10 @@ int status_change_end_(struct block_list* bl, enum sc_type type, int tid, const
 					struct skill_unit_group *group;
 					group = skill_id2group(sce->val2);
 					if( group == NULL ) {
-						ShowDebug("status_change_end: SC_DANCING is missing skill unit group (val1=%d, val2=%d, val3=%d, val4=%d, timer=%d, tid=%d, char_id=%d, map=%s, x=%d, y=%d, prev=%s:%d, from=%s:%d). Please report this! (#3504)\n",
+						ShowDebug("status_change_end: SC_DANCING is missing skill unit group (val1=%d, val2=%d, val3=%d, val4=%d, timer=%d, tid=%d, char_id=%d, map=%s, x=%d, y=%d). Please report this!\n",
 							sce->val1, sce->val2, sce->val3, sce->val4, sce->timer, tid,
 							sd ? sd->status.char_id : 0,
-							mapindex_id2name(map_id2index(bl->m)), bl->x, bl->y,
-							prevfile, prevline,
-							file, line);
+							mapindex_id2name(map_id2index(bl->m)), bl->x, bl->y);
 					}
 					sce->val2 = 0;
 					skill_delunitgroup(group);