feat(factor-otel): refactoring WIT and updating conversions

Signed-off-by: Andrew Steurer <94206073+asteurer@users.noreply.github.com>

Author: asteurer

crates/world/src/conversions.rs

@@ -590,8 +590,8 @@ mod otel {
     impl From<wasi_metrics::Resource> for opentelemetry_sdk::Resource {
         fn from(value: wasi_metrics::Resource) -> Self {
             let attributes: Vec<opentelemetry::KeyValue> =
-                value.inner.attributes.into_iter().map(Into::into).collect();
-            let schema_url: Option<String> = value.inner.schema_url.into();
+                value.attributes.into_iter().map(Into::into).collect();
+            let schema_url: Option<String> = value.schema_url.into();
 
             match schema_url {
                 Some(url) => opentelemetry_sdk::resource::Resource::builder()

wit/deps/otel/metrics.wit

@@ -20,11 +20,6 @@ interface metrics {
 
     /// An immutable representation of the entity producing telemetry as attributes.
     record %resource {
-        inner: resource-inner,
-    }
-
-    /// Inner structure of `resource` holding the actual data.
-    record resource-inner {
         attributes: list<key-value>,
         schema-url: option<string>,
     }
@@ -215,7 +210,7 @@ interface metrics {
 
     /// A measurement sampled from a time series providing a typical example.
     record exemplar {
-         /// The attributes recorded with the measurement but filtered out of the
+        /// The attributes recorded with the measurement but filtered out of the
         /// time series' aggregated data.
         filtered-attributes: list<key-value>,
         /// The time when the measurement was recorded.