[compiler] Don't emit spurious `import { c as _c }` for discarded fun… #1737

Job	Run time
Jest babel-plugin-react-compiler	49s
Lint babel-plugin-react-compiler	26s
Discover yarn workspaces	7s
Test make-read-only-util	31s
Test snap	42s
Test react-compiler-healthcheck	28s
Test react-forgive	40s
Test react-mcp-server	23s
Test eslint-plugin-react-compiler	46s
Test react-compiler-runtime	23s
Test babel-plugin-react-compiler	58s
	6m 13s

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