text [nfc]: Remove some arguments that equal defaults

Author: chrisbobbe

lib/widgets/content.dart

@@ -765,7 +765,7 @@ class _InlineContentBuilder {
   }
 
   InlineSpan _buildStrong(StrongNode node) => _buildNodes(node.nodes,
-    style: weightVariableTextStyle(_context!, wght: 600, wghtIfPlatformRequestsBold: 900));
+    style: weightVariableTextStyle(_context!, wght: 600));
 
   InlineSpan _buildDeleted(DeletedNode node) => _buildNodes(node.nodes,
     style: const TextStyle(decoration: TextDecoration.lineThrough));

lib/widgets/message_list.dart

@@ -926,8 +926,7 @@ class MessageWithPossibleSender extends StatelessWidget {
                         fontFamily: 'Source Sans 3',
                         fontSize: 18,
                         height: (22 / 18),
-                      ).merge(weightVariableTextStyle(context, wght: 600,
-                                wghtIfPlatformRequestsBold: 900)),
+                      ).merge(weightVariableTextStyle(context, wght: 600)),
                       overflow: TextOverflow.ellipsis)),
                   if (sender?.isBot ?? false) ...[
                     const SizedBox(width: 5),