Remove deprecated instrumentLibrary method (#191)

Author: bryan-aguilar

smoke-tests/runner/src/test/java/io/awsobservability/instrumentation/smoketests/runner/SpringBootSmokeTest.java

@@ -258,7 +258,7 @@ private List<Span> getExported() {
     }
     return exported.stream()
         .flatMap(req -> req.getResourceSpansList().stream())
-        .flatMap(rs -> rs.getInstrumentationLibrarySpansList().stream())
+        .flatMap(rs -> rs.getScopeSpansList().stream())
         .flatMap(ils -> ils.getSpansList().stream())
         .collect(toImmutableList());
   }