Refactor: release the limit (<150) on length of comment lines of INPUT

[kirk0830]

Reminder

• Have you linked an issue with this pull request?
• Have you added adequate unit tests and/or case tests for your pull request?
• Have you noticed possible changes of behavior below or in the linked issue?
• Have you explained the changes of codes in core modules of ESolver, HSolver, ElecState, Hamilt, Operator or Psi? (ignore if not applicable)

Linked Issue

Fix #6328

What's changed?

• there is an assumption that the maximal length of comment line will not be longer than 150. However this is not always true.