JS: remove unused imports from generated JS. Fix KT-14748

js/js.translator/testData/box/inlineSizeReduction/inlineImportCleanup.kt

@@ -0,0 +1,10 @@
+// MODULE: lib
+// FILE: lib.kt
+package lib
+
+inline fun foo(f: () -> String) = f()
+
+// MODULE: main(lib)
+// FILE: main.kt
+// PROPERTY_NOT_READ_FROM: foo_6r51u9$
+fun box() = lib.foo { "OK" }