fix(fu): remove an incorrect function, adjust code style

[Squareless-XD]

No description provided.

[XiangShanRobot]

[Generated by IPC robot]
commit: 1d4ac8f

commit	astar	copy_and_run	coremark	gcc	gromacs	hmmer-Vector	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
1d4ac8f	1.806	0.442	2.641	1.224	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309

master branch:

commit	astar	copy_and_run	coremark	gcc	gromacs	hmmer-Vector	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
d33dbc9	1.806	0.442	2.641	1.226	2.150	1.676	2.149	2.364	0.931	1.389	2.010	3.108	2.538	2.274	3.309
ef7a7f8	1.806	0.442	2.641	1.229	2.150	1.676	2.149	2.364	0.933	1.378	2.010	3.108	2.538	2.274	3.309
7eb878b	1.806	0.442	2.641	1.223	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309
529b1cf	1.806	0.442	2.641	1.226	2.150	1.676	2.149	2.364	0.933	1.378	2.010	3.108	2.538	2.274	3.309
2c6839d	1.806	0.442	2.641	1.234	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309
721555e	1.806	0.442	2.641	1.234	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309
37626c8	1.806	0.442	2.641	1.229	2.150	1.676	2.149	2.364	0.933	1.378	2.010	3.108	2.538	2.274	3.309
bbed9f8	1.806	0.442	2.641	1.225	2.150	1.676	2.149	2.364	0.933	1.378	2.010	3.108	2.538	2.274	3.309
648f556	1.806	0.442	2.641	1.218	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309
4d7fbe7	1.806	0.442	2.641	1.224	2.150	1.676	2.149	2.364	0.933	1.389	2.010	3.108	2.538	2.274	3.309