Delete data file

customers/test.csv

@@ -1,16 +0,0 @@
-,customer_id,name,age
-96,97,Customer_97,40
-4,5,Customer_5,26
-42,43,Customer_43,35
-77,78,Customer_78,32
-10,11,Customer_11,71
-0,1,Customer_1,55
-9,10,Customer_10,71
-69,70,Customer_70,54
-73,74,Customer_74,21
-83,84,Customer_84,22
-44,45,Customer_45,65
-76,77,Customer_77,40
-39,40,Customer_40,29
-33,34,Customer_34,31
-30,31,Customer_31,67