Remove gitData script from docker build

[dapplion]

Motivation

Completes #2812 removing a duplicate script from docker build

Description

Remove gitData script from docker build

[codeclimate]

Code Climate has analyzed commit a700002 and detected 0 issues on this pull request.

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[github-actions]

Performance Report

✔️ no performance regression detected

Full benchmark results

Benchmark suite	Current: c9319a7	Previous: 04d8ef3	Ratio
getCommitteeAssignments - req 1000 vs - 250000 vc	9.6730 ms/op	8.3020 ms/op	1.17
Process block - 250000 vs - with 0 validator exit	249.54 us/op	323.73 us/op	0.77
Process block - 250000 vs - with 1 validator exit	21.476 ms/op	22.046 ms/op	0.97
Process block - 250000 vs - with 16 validator exits	22.305 ms/op	23.572 ms/op	0.95
epoch - 250000 vs - processJustificationAndFinalization	75.081 us/op	85.412 us/op	0.88
epoch - 250000 vs - processRewardsAndPenalties	296.61 ms/op	311.10 ms/op	0.95
epoch - 250000 vs - processRegistryUpdates	10.455 us/op	11.118 us/op	0.94
epoch - 250000 vs - processSlashings	37.616 us/op	48.441 us/op	0.78
epoch - 250000 vs - processFinalUpdates	43.133 ms/op	41.451 ms/op	1.04
epoch - 250000 vs - prepareEpochProcessState	571.85 ms/op	657.63 ms/op	0.87
getAttestationDeltas - 250000 vs	123.80 ms/op	118.91 ms/op	1.04
processSlots - 250000 vs - 32 empty slots	3.7810 s/op	3.9165 s/op	0.97
shuffle list - 512 els	162.71 us/op	167.05 us/op	0.97
shuffle list - 16384 els	1.9581 ms/op	1.8452 ms/op	1.06
shuffle list - 250000 els	28.007 ms/op	26.170 ms/op	1.07
aggregationBits - 2048 els - readonlyValues	262.98 us/op	265.80 us/op	0.99
aggregationBits - 2048 els - zipIndexesInBitList	51.733 us/op	56.894 us/op	0.91
ssz.Root.equals	1.4280 us/op	1.3020 us/op	1.10
getPubkeys - persistent - req 1000 vs - 200000 vc	19.077 us/op	17.175 us/op	1.11
BLS verify - blst-native	3.0611 ms/op	2.0047 ms/op	1.53
BLS verifyMultipleSignatures 3 - blst-native	4.4362 ms/op	4.2027 ms/op	1.06
BLS verifyMultipleSignatures 8 - blst-native	9.5830 ms/op	8.9415 ms/op	1.07
BLS verifyMultipleSignatures 32 - blst-native	36.329 ms/op	33.166 ms/op	1.10
BLS aggregatePubkeys 32 - blst-native	56.414 us/op	45.129 us/op	1.25
BLS aggregatePubkeys 128 - blst-native	180.66 us/op	176.76 us/op	1.02
CheckpointStateCache - add get delete	41.100 us/op	50.304 us/op	0.82
validate gossip signedAggregateAndProof - struct	5.2328 ms/op	5.2095 ms/op	1.00
validate gossip signedAggregateAndProof - treeBacked	5.2243 ms/op	5.1786 ms/op	1.01
validate gossip attestation - struct	2.4413 ms/op	2.3503 ms/op	1.04
validate gossip attestation - treeBacked	2.4948 ms/op	2.3996 ms/op	1.04

by benchmarkbot/action