[BUG] PRSice would calculate allele frequencies even if --maf is not there

Describe the bug It seems like PRSice would calculate allele frequencies even if --maf is not there. Is that intended? If it is not necessary, then is there a way to turn it off?

Error Log

PRSice 2.3.5 (2021-09-20) 
https://github.com/choishingwan/PRSice
(C) 2016-2020 Shing Wan (Sam) Choi and Paul F. O'Reilly
GNU General Public License v3
If you use PRSice in any published work, please cite:
Choi SW, O'Reilly PF.
PRSice-2: Polygenic Risk Score Software for Biobank-Scale Data.
GigaScience 8, no. 7 (July 1, 2019)
2021-12-01 08:17:57
./PRSice_linux \
    --a1 A1 \
    --a2 A2 \
    --allow-inter  \
    --bar-levels 0.001,0.05,0.1,0.2,0.3,0.4,0.5,1 \
    --base ... \
    --binary-target T \
    --bp BP \
    --chr CHR \
    --clump-kb 250kb \
    --clump-p 1.000000 \
    --clump-r2 0.100000 \
    --extract ... \
    --interval 5e-05 \
    --keep ... \
    --lower 5e-08 \
    --num-auto 22 \
    --out PRSice \
    --pheno ... \
    --pheno-col trait_prsice \
    --pvalue P \
    --seed 1822096333 \
    --snp SNP \
    --stat BETA \
    --target-list target-list,ukb22828_c21_b0_v3.sample \
    --thread 16 \
    --type bgen \
    --upper 0.5

Initializing Genotype info from file: target-list (bgen) 
With external fam file: ukb22828_c21_b0_v3.sample 

Start processing 
... 
================================================== 

Only one column detected, will assume only SNP ID is 
provided 

Base file: 
... 
GZ file detected. Header of file is: 
CHR     BP      A1      A2      SNP     P       OR 

16543335 variant(s) observed in base file, with: 
7463751 variant(s) excluded based on user input 
1267696 ambiguous variant(s) excluded 
7811888 total variant(s) included from base file 

Loading Genotype info from target 
================================================== 

487409 people (222969 male(s), 264266 female(s)) observed 
41291 founder(s) included 

1152901 variant(s) not found in previous data 
108257 variant(s) included 

Calculate MAF and perform filtering on target SNPs 
================================================== 

108257 variant(s) included
...

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choishingwan / PRSice

[BUG] PRSice would calculate allele frequencies even if --maf is not there #284