ci(e2e): remove unneded extra env var (#696) #727

Job	Run time
Lint / Code	19s
Lint / Commit messages	17s
Lint / GitHub Actions	4s
Test / Unit tests	36s
Build / Build libraries	43s
Style / Format check	17s
Build / TypeScript compilation	18s
API Extractor / API Extractor (report and JSON docs)	20s
Example apps / Example app - Angular v15 - Coverage enabled	1m 23s
Example apps / Example app - Angular v15 - Coverage disabled	1m 20s
Example apps / Example app - Angular v16 - Coverage enabled	1m 29s
Example apps / Example app - Angular v16 - Coverage disabled	1m 12s
Example apps / Example app - Angular v17 - Coverage enabled	39s
Example apps / Example app - Angular v17 - Coverage disabled	43s
Example apps / Example app - Angular v18 - Coverage enabled	46s
Example apps / Example app - Angular v18 - Coverage disabled	43s
API Extractor / API Documenter (markdown API Ref docs)	24s
Bundle size / Analysis - Angular v15	13s
Bundle size / Analysis - Angular v16	12s
E2E / E2E tests - Angular v15	1m 26s
Bundle size / Analysis - Angular v17	13s
E2E / E2E tests - Angular v16	53s
Bundle size / Analysis - Angular v18	15s
E2E / E2E tests - Angular v17	1m 14s
E2E / E2E tests - Angular v18	50s
Bundle size / Store - Angular v15	4s
Bundle size / Store - Angular v16	2s
Bundle size / Store - Angular v17	2s
Bundle size / Store - Angular v18	3s
Docs / Docs build & deploy	44s
Release / Semantic Release	1m 0s
	18m 44s

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