fix(LoadUnit): fast replay no longer requests to RAR/RAW Queue

[Anzooooo]

For fast replay, there is no need to request access to the RAW/RAW Queue.
This prevents the RAW Queue from constantly ping-ponging between not full/full due to revoke.

These two lines were removed because it would lead to combinatorial logic loops and it was an unwanted condition:

XiangShan/src/main/scala/xiangshan/mem/pipeline/LoadUnit.scala

Lines 1269 to 1270 in dfc474e

	!s2_rar_nack &&
	!s2_raw_nack &&

---

Probably questions like this: #4102
With the previous changes plus this one, i don't think a similar stuck will happen again. 🙌

This may result in some performance gains.

[XiangShanRobot]

[Generated by IPC robot]
commit: 886161b

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
886161b	1.823	0.442	2.639	1.237	2.159	2.145	2.361	0.940	1.407	1.931	3.107	2.556	2.272	3.308

master branch:

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
23767fc	1.814	0.442	2.640	1.231	2.152	2.141	2.361	0.933	1.403	1.985	3.107	2.558	2.267	3.308
14651e9	1.814	0.442	2.639	1.231	2.152	2.142	2.361	0.933	1.406	1.985	3.107	2.558	2.267	3.308
77733a7	1.814	0.442	2.640	1.231	2.152	2.141	2.361	0.933	1.403	1.985	3.107	2.558	2.267	3.308
da51a7a	1.814	0.442	2.639	1.231	2.152	2.141	2.361	0.933	1.407	1.985	3.107	2.558	2.267	3.308
c75efc0	1.814	0.442	2.639	1.231	2.152	2.141	2.361	0.933	1.403	1.985	3.107	2.558	2.267	3.308