Revert "feat(abut): 흉벽 배면 헌치를 삽도 A-A대로 추가 (날개벽 내측면)"

This reverts commit aaa9f57908.

tests/abut-blocks-slab.test.ts

@@ -96,13 +96,4 @@ describe('교대 3D: 받침블럭과 접속슬래브 (spec §4.2, §4.8)', () =>
       if (pos.getZ(i) >= members.shape.wallBackM) expect(pos.getY(i)).toBeGreaterThanOrEqual(backTop(pos.getX(i)) - 1e-6);
     }
   });
-
-  it('the 흉벽 배면 헌치 sits on the 브라켓 상면 against the 흉벽 back, not in it', () => {
-    const backTop = (s: number) => members.parapetTopStartEl + ((members.parapetTopEndEl - members.parapetTopStartEl) * s) / model.length - members.shape.bracketHeightM;
-    for (const h of (named('haunches') as THREE.Group).children) {
-      const b = new THREE.Box3().setFromObject(h);
-      if (b.max.z > members.shape.parapetBackM + 1e-6 || b.min.z < members.shape.wallBackM - 1e-6) continue; // not the 흉벽 배면 헌치
-      expect(b.min.y).toBeGreaterThanOrEqual(Math.max(backTop(b.min.x), backTop(b.max.x)) - 1e-6);
-    }
-  });
 });