Removed multiple lines from same subject in phenotype file

Author: VisLab

eeg_ds003645s_hed_demo/phenotype/KSSSleep.tsv

@@ -1,5 +1,4 @@
 participant_id	session_id	kss_scale	notes
 sub-002	n/a	1	Highly caffeinated.
 sub-003	n/a	4	Normal sleep.
-sub-004	ses-1	7	Bad dreams.
-sub-004	ses-2	9	Subject stayed up all night.
+sub-004	ses-1	7	Bad dreams.