feat(minifier): remove empty IIFE #25985

Job	Run time
Benchmark (lexer)	1m 34s
Benchmark (parser)	1m 49s
Benchmark (transformer)	2m 30s
Build Linter Benchmark	2m 41s
Benchmark (isolated_declarations)	1m 53s
Benchmark (semantic)	1m 29s
Benchmark (minifier)	2m 30s
Benchmark (codegen)	2m 0s
Benchmark linter (0)	2m 33s
Benchmark linter (1)	1m 39s
Upload benchmarks	1s
	20m 39s

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