Revert "[test] add tests for progress manager modes; verify bar counts and total bar visibility in single and multi modes"

This reverts commit 3dc1237938.

tests/progress_mode_counts.rs

@@ -1,22 +0,0 @@
-use polyscribe::progress::ProgressManager;
-
-#[test]
-fn test_single_mode_has_no_total_bar_and_three_bars() {
-    // Use hidden backend suitable for tests
-    let pm = ProgressManager::new_for_tests_single_hidden();
-    // No total bar should be present
-    assert!(pm.total_state_for_tests().is_none(), "single mode must not expose a total bar");
-    // Bar count: header + info + current
-    assert_eq!(pm.testing_bar_count(), 3);
-}
-
-#[test]
-fn test_multi_mode_has_total_bar_and_four_bars() {
-    let pm = ProgressManager::new_for_tests_multi_hidden(2);
-    // Total bar should exist with the provided length
-    let (pos, len) = pm.total_state_for_tests().expect("multi mode should expose total bar");
-    assert_eq!(pos, 0);
-    assert_eq!(len, 2);
-    // Bar count: header + info + current + total
-    assert_eq!(pm.testing_bar_count(), 4);
-}