remove a couple more unnecessary assertions #6428

Job	Run time
Check for changes	8s
Lint, Test, Build & Pack on Node 20.x	1m 1s
Check package config with are-the-types-wrong (20.x)	1m 6s
Test against dist (20.x)	1m 30s
Test Types with TypeScript 4.7	1m 37s
Test Published Artifact cra4	1m 24s
Test Types with TypeScript 4.8	1m 29s
Test Published Artifact cra5	1m 34s
Test Types with TypeScript 4.9	1m 24s
Test Published Artifact next	1m 8s
Test Types with TypeScript 5.0	1m 25s
Test Published Artifact vite	51s
Test Types with TypeScript 5.1	1m 23s
Test Published Artifact node-standard	14s
Test Types with TypeScript 5.2	1m 21s
Test Published Artifact node-esm	20s
Test Types with TypeScript 5.3	1m 19s
Test Published Artifact react-native	59s
Test Types with TypeScript 5.4	1m 14s
Test Published Artifact expo	1m 3s
	22m 30s

Provide feedback