use correct BuildRequires for SQLite support
libsqlite3x is a library with C++ bindings for SQLite which emacs does not use
at all which transitively pulled in the necessary sqlite-devel. Due to that
dependency, the libsqlite3x package was also brought into ELN which is unwanted.
Fixes: 9c5e49b7f049ef3bb09ee033eaacec39278d90e9 ("Enable new features in Emacs 29: SQLite, Tree-sitter, WEBP, XInput 2.")