fix(packages/flutter): wrong example path and remove old example

Author: Gioee

examples/flutter/lib/main.dart

@@ -1,4 +1,4 @@
-## 0.9.84
+## 0.9.85
 
 - Initial release.
 - Bundles pre-built sqlite-vector binaries for Android, iOS, macOS, Linux, and Windows.

examples/flutter/pubspec.yaml

@@ -1,5 +1,5 @@
 name: sqlite_vector
-version: 0.9.84
+version: 0.9.85
 description: >
   SQLite Vector is a cross-platform, ultra-efficient SQLite extension that
   brings vector search capabilities to your embedded database. It works

packages/flutter/CHANGELOG.md

@@ -24,7 +24,7 @@
 extern "C" {
 #endif
 
-#define SQLITE_VECTOR_VERSION "0.9.84"
+#define SQLITE_VECTOR_VERSION "0.9.85"
 
 SQLITE_VECTOR_API int sqlite3_vector_init (sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi);