style: remove prefix GetCmd from cli

[pysel]

Description

closes: #2039

Removes GetCmd prefix from cli commands' builders

[codecov]

Codecov Report

Merging #2234 (5362765) into main (7f05ad4) will decrease coverage by 5.16%.
Report is 213 commits behind head on main.
The diff coverage is 79.98%.

@@            Coverage Diff             @@
##             main    #2234      +/-   ##
==========================================
- Coverage   75.38%   70.23%   -5.16%     
==========================================
  Files         100      168      +68     
  Lines        8025    12619    +4594     
==========================================
+ Hits         6050     8863    +2813     
- Misses       1589     3165    +1576     
- Partials      386      591     +205     

Files Changed	Coverage Δ
ante/spam_prevention.go	75.92% <ø> (ø)
cmd/ibc_denom/main.go	0.00% <0.00%> (ø)
util/coin/coin.go	12.50% <0.00%> (ø)
util/sdkutil/msg.go	0.00% <0.00%> (ø)
x/incentive/codec.go	47.82% <ø> (+9.89%)	⬆️
x/incentive/keeper/invariants.go	0.00% <ø> (ø)
x/incentive/keeper/iter.go	84.90% <ø> (ø)
x/incentive/keeper/keeper.go	75.00% <ø> (ø)
x/incentive/keeper/keys.go	95.83% <ø> (ø)
x/incentive/keeper/msg_server.go	80.95% <ø> (ø)
... and 53 more

... and 81 files with indirect coverage changes

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