Revert "Use textDocument/codeLens data in the actions menu when applicable (#26811)" (#26832)

This reverts commit b61171f152.

This PR reverts #26811, as it has broken `rust-analyzer` code actions.

With this commit reverted my code actions are working again. 

Release Notes:

- Community: Reverted https://github.com/zed-industries/zed/pull/26811.

crates/lsp/src/lsp.rs

@@ -632,9 +632,6 @@ impl LanguageServer {
                     diagnostic: Some(DiagnosticWorkspaceClientCapabilities {
                         refresh_support: None,
                     }),
-                    code_lens: Some(CodeLensWorkspaceClientCapabilities {
-                        refresh_support: Some(true),
-                    }),
                     workspace_edit: Some(WorkspaceEditClientCapabilities {
                         resource_operations: Some(vec![
                             ResourceOperationKind::Create,
@@ -766,9 +763,6 @@ impl LanguageServer {
                         did_save: Some(true),
                         ..TextDocumentSyncClientCapabilities::default()
                     }),
-                    code_lens: Some(CodeLensClientCapabilities {
-                        dynamic_registration: Some(false),
-                    }),
                     ..TextDocumentClientCapabilities::default()
                 }),
                 experimental: Some(json!({