Changes to Delete pipeline

changed the pattern of the path request parameter id from ^[a-z][a-z0-9_-]*$ to ^[a-zA-Z][a-zA-Z0-9_-]*$

for the path request parameter id, the minLength was increased from 0 to 3

added the pattern ^[a-z][a-z0-9_-]*$ to the path request parameter id

for the path request parameter id, the maxLength was set to 64

removed the non-success response with the status 500

for the path request parameter id, the minLength was decreased from 3 to 0

removed the pattern ^[a-zA-Z][a-zA-Z0-9_-]*$ from the path request parameter id

added the non-success response with the status 500