all: format code according to Go 1.19 rules

Go 1.19 started reformatting code in a way that makes it more obvious
how it will be rendered on pkg.go.dev. It gets it almost right, but not
entirely. Therefore, I had to modify some of the comments so that they
are formatted correctly.

src/runtime/runtime_wasm_js.go

@@ -44,6 +44,7 @@ func nanosecondsToTicks(ns int64) timeUnit {
 
 // This function is called by the scheduler.
 // Schedule a call to runtime.scheduler, do not actually sleep.
+//
 //export runtime.sleepTicks
 func sleepTicks(d timeUnit)