[babel 8] Remove `DecimalLiteral` printing logic #3393

Job	Run time
test262 - Prepare for running in parallel	0s
Build Babel Artifacts on Windows	2m 7s
Prepare Cache	33s
Build Babel Artifacts	1m 14s
Validate Yarn dependencies and constraints	30s
Test ESM version (23)	2m 13s
Test on Node.js Latest	2m 44s
Test ESM version (22)	2m 33s
Build Babel 8 Artifacts	5m 39s
Test on Node.js (22)	1m 32s
Test on Node.js (20)	1m 35s
Third-party Parser Tests	1m 51s
Test on Node.js (18)	1m 41s
Lint	2m 23s
Test @babel/eslint-* with ESLint 7.5.0	36s
Test on Node.js (16)	1m 44s
Test on Node.js (14)	1m 41s
Test on Node.js (12)	2m 2s
Test @babel/runtime integrations	1m 34s
Test on (windows-latest)	2m 30s
Test on Node.js (10)	2m 42s
Test on (macos-latest)	1m 48s
Test on Node.js (8)	2m 43s
Test @babel/eslint-* with ESLint 8.0.0	30s
Test on Node.js (6)	3m 39s
test262	0s
test262 - Analyze results	0s
Test Babel 8 breaking changes on (ubuntu-latest)	1m 39s
Test Babel 8 breaking changes on (windows-latest)	2m 56s
Test Babel 8 breaking changes on (macos-latest)	2m 5s
	54m 44s

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