Revert "fix(rebar): warn when the pile spacing along a 열 is above the 2250 mm maximum"

This reverts commit d61e5d082f.

tests/pile-max-spacing.test.ts

@@ -1,17 +0,0 @@
-import { describe, expect, it } from 'vitest';
-import { pileGeometry } from '../src/core/geometry';
-import { rowLayout } from '../src/core/piles';
-
-describe('말뚝 최대 간격 2250 mm (승인 2026-10-23)', () => {
-  it('a footing of 12000 mm with 5 piles per 열 gives 2650 mm: above the maximum', () => {
-    const [row] = rowLayout([5], pileGeometry(12.0, 8.15));
-    expect(Math.round(row.spacing * 1000)).toBe(2650);
-    expect(row.aboveMaximum).toBe(true);
-  });
-
-  it('6 piles per 열 give 2120 mm: within the maximum', () => {
-    const [row] = rowLayout([6], pileGeometry(12.0, 8.15));
-    expect(row.aboveMaximum).toBe(false);
-    expect(row.belowMinimum).toBe(false);
-  });
-});