Update acknowledgements

Author: Bujee415

msdial/main.html

@@ -1606,22 +1606,17 @@
 						<div class="labelAcknowledgementOrg">TUAT</div>
 					</div>
 					<div class="boxAcknowledgement">
-						<div class="labelAcknowledgementRole">Current main developers</div>
-						<div class="labelAcknowledgementName">Yuki Matsuzawa</div>
-						<div class="labelAcknowledgementOrg">TUAT</div>
-					</div>
-					<div class="boxAcknowledgement">
-						<div class="labelAcknowledgementRole">Current main developers</div>
+						<div class="labelAcknowledgementRole"></div>
 						<div class="labelAcknowledgementName">Kozo Nishida</div>
 						<div class="labelAcknowledgementOrg">TUAT</div>
 					</div>
 					<div class="boxAcknowledgement">
-						<div class="labelAcknowledgementRole">Current main developers</div>
+						<div class="labelAcknowledgementRole"></div>
 						<div class="labelAcknowledgementName">Mikiko Takahashi</div>
 						<div class="labelAcknowledgementOrg">RIKEN</div>
 					</div>
 					<div class="boxAcknowledgement">
-						<div class="labelAcknowledgementRole">Main contributor</div>
+						<div class="labelAcknowledgementRole"></div>
 						<div class="labelAcknowledgementName">Bujinlkham Buyantogtokh</div>
 						<div class="labelAcknowledgementOrg">TUAT</div>
 					</div>