fix: normalize line endings for unsigned templates

[iacker]

Summary

• normalize line endings from CRLF to LF for the 19 templates called out in issue [ENHANCEMENT] Templates With Windows Line Endings Fail Signature Check #15754
• remove stale digest lines so the upstream signing workflow can regenerate valid signatures
• keep template logic unchanged; this patch is formatting-only cleanup to restore signed-template eligibility

Validation

• verified all 19 issue-listed templates existed locally and were stored with CRLF before the change
• verified all 19 target files are now LF-only after normalization
• confirmed there was no open PR detected for issue [ENHANCEMENT] Templates With Windows Line Endings Fail Signature Check #15754 before taking the work

Closes #15754

[neo-by-projectdiscovery-dev]

Neo - Nuclei Template Review

No security issues found

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