Move to wasm32v1-none from wasm32-unknown-unknown

Works towards fixing how the Substrate node Docker image no longer works.

substrate/runtime/build.rs

@@ -1,10 +1,4 @@
-use substrate_wasm_builder::WasmBuilder;
-
 fn main() {
-  WasmBuilder::new()
-    .with_current_project()
-    .disable_runtime_version_section_check()
-    .export_heap_base()
-    .import_memory()
-    .build()
+  #[cfg(feature = "std")]
+  substrate_wasm_builder::WasmBuilder::build_using_defaults();
 }