chore: move grantee from current to past (bitcoindevkit#247)

Author: reez

docs/foundation/grantees.md

@@ -61,17 +61,6 @@ ValuedMammal is a Rust developer and node operator whose work includes research
 </div>
 <br>
 
-## Wei Chen
-
-Wei Chen has been contributing to BDK since late 2023 and was formerly a full stack Java developer based in Washington D.C. with ten years of experience. He was introduced to BDK as a result of Evan Lin, whom he met when taking Mandarin lessons in Taipei. The focus of his contributions will be towards assisting with the restructuring of the electrum crate, reengineering of the TxGraph data components to simplify the tracking of lineal conflicts, as well as focusing on performance optimization and the continued debugging of BDK, which includes the maintenance of the TestEnv crate. Outside of code contributions to the project, Wei Chen will be also assisting Evan Lin with various bitcoin events or workshops to improve understanding towards BDK.
-
-<div>
-  <a href="https://github.com/LagginTimes" target="_blank">
-    <img src="/img/github-icon.svg" style="width: 24px">
-  </a>
-</div>
-<br>
-
 ## Leonardo Souza
 
 Leonardo is a Software Engineer based in Brazil, previously Clojure/Java developer in a real-estate tech startup, and Rust developer in a Bitcoin on-ramp/off-ramp startup. He started contributing to BDK and Bitcoin-related FOSS projects in 2022 through his participation in Summer of Bitcoin 2022, mentored by Lloyd Fournier his work focused on a real-time block events library on top of mempool.space API. He's continued his FOSS journey in Summer of Bitcoin 2023, contributing to Fedimint, mentored by Eric Sirion working on adding Tor support on the client level, using Arti, which he's contributing since. He's been continuing his contributions to BDK focusing on improvements, enhancements for BDK 1.0, and Fedimint with focus on adding/improving its Tor support.
@@ -201,3 +190,14 @@ After studying mathematics at the University of California - Berkeley, Robert be
   </a>
 </div>
 <br>
+
+## Wei Chen
+
+Wei Chen has been contributing to BDK since late 2023 and was formerly a full stack Java developer based in Washington D.C. with ten years of experience. He was introduced to BDK as a result of Evan Lin, whom he met when taking Mandarin lessons in Taipei. The focus of his contributions will be towards assisting with the restructuring of the electrum crate, reengineering of the TxGraph data components to simplify the tracking of lineal conflicts, as well as focusing on performance optimization and the continued debugging of BDK, which includes the maintenance of the TestEnv crate. Outside of code contributions to the project, Wei Chen will be also assisting Evan Lin with various bitcoin events or workshops to improve understanding towards BDK.
+
+<div>
+  <a href="https://github.com/LagginTimes" target="_blank">
+    <img src="/img/github-icon.svg" style="width: 24px">
+  </a>
+</div>
+<br>