Remove the previous approach to build wasm stdlib variants

libraries/stdlib/wasm/wasi/build.gradle.kts

@@ -1,23 +0,0 @@
-import org.jetbrains.kotlin.gradle.targets.js.d8.D8RootPlugin
-import org.jetbrains.kotlin.gradle.targets.js.KotlinWasmTargetAttribute
-
-plugins {
-    `maven-publish`
-    kotlin("multiplatform")
-}
-
-description = "Kotlin Standard Library for experimental WebAssembly WASI platform"
-
-val targetDependentSources = listOf("builtins/kotlin", "src/kotlin", "src/kotlinx").map {
-    "$rootDir/libraries/stdlib/wasm/wasi/$it"
-}
-
-configureWasmStdLib(
-    wasmTargetParameter = "wasm-wasi",
-    wasmTargetAttribute = KotlinWasmTargetAttribute.wasi,
-    targetDependentSources = targetDependentSources,
-    targetDependentTestSources = listOf("$rootDir/libraries/stdlib/wasm/wasi/test/"),
-    kotlinTestDependencyName = ":kotlin-test:kotlin-test-wasm-wasi"
-) { extensionBody ->
-    kotlin(extensionBody)
-}