Same as 722. Remove Comments

comment format is "-"
input:
SELECT * FROM users --users table selected
WHERE users.name="David" --user name select

output:
SELECT * FROM user
WHERE users.name="David"

follow up

"-" is in a string

input:
SELECT * FROM users --users table selected
WHERE users.name="-David" --user name select

output:
SELECT * FROM user
WHERE users.name="-David"