Finish implementing Db::update_project

crates/rpc/proto/zed.proto

@@ -48,7 +48,6 @@ message Envelope {
         OpenBufferForSymbolResponse open_buffer_for_symbol_response = 40;
 
         UpdateProject update_project = 41;
-        ProjectUpdated project_updated = 42;
         UpdateWorktree update_worktree = 43;
 
         CreateProjectEntry create_project_entry = 45;
@@ -257,12 +256,6 @@ message UpdateProject {
     repeated WorktreeMetadata worktrees = 2;
 }
 
-message ProjectUpdated {
-    uint64 project_id = 1;
-    repeated WorktreeMetadata worktrees = 2;
-    uint64 room_version = 3;
-}
-
 message JoinProject {
     uint64 project_id = 1;
 }

crates/rpc/src/proto.rs

@@ -144,7 +144,6 @@ messages!(
     (PrepareRename, Background),
     (PrepareRenameResponse, Background),
     (ProjectEntryResponse, Foreground),
-    (ProjectUpdated, Foreground),
     (RemoveContact, Foreground),
     (ReloadBuffers, Foreground),
     (ReloadBuffersResponse, Foreground),
@@ -261,7 +260,6 @@ entity_messages!(
     OpenBufferByPath,
     OpenBufferForSymbol,
     PerformRename,
-    ProjectUpdated,
     PrepareRename,
     ReloadBuffers,
     RemoveProjectCollaborator,