Remove separate leadership section.

Author: ehuss

src/doc/contrib/src/team.md

@@ -14,7 +14,9 @@ The team is expected to keep Cargo in an operational state, to support Rust's 6-
 
 ## Team membership
 
-The Cargo Team consists of team members, and a team leader.
+The Cargo Team consists of team members with one serving as a team leader.
+The team leader is responsible for coordinating the team and providing a contact point with other teams.
+The leader is selected by a vote of the existing members.
 
 Membership is maintained in the [Rust team database].
 
@@ -67,11 +69,6 @@ Contributors who wish to join the team should exhibit an interest in carrying th
 
 Members may leave at any time, preferably by letting the team know ahead of time.
 
-### Leadership
-
-The team leader is responsible for coordinating the team and providing a contact point with other teams.
-The leader is selected by a vote of the existing members.
-
 ## Decision process
 
 The team uses a consensus-driven process for making decisions ranging from new features and major changes to management of the team itself.