Remove the no_std feature from the WASM builder (#3640)

* Remove the no_std feature from the WASM builder

* Address review

* More fixing

* Address review again

* Fix missing Cargo.lock

substrate/core/executor/runtime-test/Cargo.toml

@@ -18,4 +18,3 @@ wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = "1.
 [features]
 default = [ "std" ]
 std = []
-no_std = []

substrate/core/executor/runtime-test/build.rs

@@ -21,7 +21,7 @@ fn main() {
 		"wasm_binary.rs",
 		WasmBuilderSource::CratesOrPath {
 			path: "../../utils/wasm-builder",
-			version: "1.0.6",
+			version: "1.0.7",
 		},
 		// This instructs LLD to export __heap_base as a global variable, which is used by the
 		// external memory allocator.