fix(wasip2): avoid double initialization in run

Signed-off-by: Roman Volosatovs <rvolosatovs@riseup.net>

Author: rvolosatovs

src/runtime/runtime_wasm_wasip2.go

@@ -11,15 +11,6 @@ import (
 
 type timeUnit int64
 
-//export wasi:cli/run@0.2.0#run
-func __wasi_cli_run_run() uint32 {
-	// These need to be initialized early so that the heap can be initialized.
-	heapStart = uintptr(unsafe.Pointer(&heapStartSymbol))
-	heapEnd = uintptr(wasm_memory_size(0) * wasmPageSize)
-	run()
-	return 0
-}
-
 //export _initialize
 func _initialize() {
 	// These need to be initialized early so that the heap can be initialized.
@@ -29,6 +20,12 @@ func _initialize() {
 	initAll()
 }
 
+//export wasi:cli/run@0.2.0#run
+func __wasi_cli_run_run() uint32 {
+	callMain()
+	return 0
+}
+
 var args []string
 
 //go:linkname os_runtime_args os.runtime_args