Remove duplicate Harrison Stropkay entry from CV

Keep the (2024 -- 2025) entry, remove redundant co-advised entry.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: jeremymanning

documents/JRM_CV.tex

@@ -743,7 +743,6 @@ \subsection*{Mentorship  (selected)}
   \item Will Lehman (2025 -- )
   \item Luca Gandrud (2025 -- )
   \item Sam Haskel* (2025 -- )
-  \item Harrison Stropkay* (co-advised with Daniel Rockmore; 2025)
   \item Kevin Chang (2025 -- )
   \item Andrew Richardson (2025 -- )
   \item Ben Hanson (2025 -- )