[nvim] disable rust-analyzer's diagnostics and autoimports

nvim/coc-languages/rust.vim

@@ -2,19 +2,13 @@ let g:coc_filetypes += ['rust']
 let g:coc_global_extensions += ['coc-rust-analyzer']
 let g:coc_user_config['rust-analyzer'] = {
 \ 'serverPath': 'rust-analyzer',
-\ 'lens': {
-\   'enable': v:false,
-\   },
-\ 'inlayHints': {
-\   'typeHints': v:false,
-\   'chainingHints': v:false,
-\   },
-\ 'checkOnSave': {
-\    'command': 'clippy',
-\   },
-\ 'cargo': {
-\   'loadOutDirsFromCheck': v:true,
-\   },
+\ 'lens.enable': v:false,
+\ 'inlayHints.typeHints': v:false,
+\ 'inlayHints.chainingHints': v:false,
+\ 'diagnostics.enable': v:false,
+\ 'completion.autoimport.enable': v:false,
+\ 'checkOnSave.command': 'clippy',
+\ 'cargo.loadOutDirsFromCheck': v:true,
 \ }
 
 " let g:coc_global_extensions += ['coc-rls']