remove assertion for host.arch to reduce flakiness

Author: jaydeluca

instrumentation/resources/library/src/test/java/io/opentelemetry/instrumentation/resources/internal/DeclarativeConfigTest.java

@@ -48,8 +48,7 @@ void endToEnd() {
                       .collect(Collectors.toSet());
               // ContainerResourceComponentProvider - no container attributes reliably provided
               // HostIdResourceComponentProvider - host.id attribute not reliably provided
-              // HostResourceComponentProvider
-              assertThat(attributeKeys).contains("host.arch");
+              // HostResourceComponentProvider - host.arch attribute not reliably provided
               assertThat(attributeKeys).contains("host.name");
               // OsResourceComponentProvider
               assertThat(attributeKeys).contains("os.description");