Remove unnecessary comments from test as requested

Co-authored-by: jakebailey <5341706+jakebailey@users.noreply.github.com>

Author: Copilot

tests/cases/fourslash/unreachableCodeAfterEdit.ts

@@ -31,20 +31,14 @@
 ////     }
 //// }
 
-// Initially, there should be no errors
 verify.numberOfErrorsInCurrentFile(0);
 
-// Add a throw statement ABOVE the imports
 goTo.marker("before");
 edit.insert("throw new Error('foo');\n");
 
-// Now there should be unreachable code errors
 verify.numberOfErrorsInCurrentFile(1);
 
-// Remove the throw statement
 goTo.marker("before");
 edit.deleteAtCaret("throw new Error('foo');\n".length);
 
-// After removing the throw, there should be no errors again
-// BUG: This will fail because reportedUnreachableNodes is not cleared properly
 verify.numberOfErrorsInCurrentFile(0);