Bump core from 663d057 to eacbc24 (#1478)

Bumps [core](https://github.com/microsoft/typespec) from `663d057` to
`eacbc24`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/microsoft/typespec/commit/eacbc248f8382e937ba18c39da6fcfe46680c9ca"><code>eacbc24</code></a>
Remove extra space to fix VS debug attachment (<a
href="https://github.com/microsoft/typespec/issues/4333">#4333</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/0f8dcf4ea04bef46e13840956d26d6ee5cc53444"><code>0f8dcf4</code></a>
Remove unused test directory (<a
href="https://github.com/microsoft/typespec/issues/4318">#4318</a>)</li>
<li><a
href="https://github.com/microsoft/typespec/commit/73e61f9202ff74bd15ae068f7a89f622b407f4ec"><code>73e61f9</code></a>
Java codegen - clean up build steps (<a
href="https://github.com/microsoft/typespec/issues/4323">#4323</a>)</li>
<li>See full diff in <a
href="https://github.com/microsoft/typespec/compare/663d057c08c496d0fb3a858c8a528e9900c05bde...eacbc248f8382e937ba18c39da6fcfe46680c9ca">compare
view</a></li>
</ul>
</details>
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