fix : remove duplicate parse_skills definition in recommender.py

[tmdeveloper007]

Summary of What Has Been Done

Removed the duplicate def parse_skills(skills_string): at line 126 in src/utils/recommender.py. The function was defined twice consecutively, with the second definition shadowing the first. The kept definition correctly delegates to parse_skill_entries.

Changes Made

• Deleted the second parse_skills function definition (4 lines) from src/utils/recommender.py

Impact it Made

• Eliminates dead code and shadowing
• Cleaner, more maintainable module
• No behavioral change

Closes #1305

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