minor #1098 Remove symfony/ai-store dependency (OskarStark)

This PR was merged into the main branch.

Discussion
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 Remove `symfony/ai-store` dependency

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        | --
| License       | MIT

We already require the dedicated store packages.

Commits
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3f85434 [Examples] Remove symfony/ai-store dependency

Author: OskarStark

examples/composer.json

@@ -52,7 +52,6 @@
         "symfony/ai-scraper-tool": "@dev",
         "symfony/ai-serp-api-tool": "@dev",
         "symfony/ai-similarity-search-tool": "@dev",
-        "symfony/ai-store": "@dev",
         "symfony/ai-supabase-store": "@dev",
         "symfony/ai-surreal-db-store": "@dev",
         "symfony/ai-tavily-tool": "@dev",