Remove conditional include

Signed-off-by: Harish <140232061+perhapsmaple@users.noreply.github.com>

Author: perhapsmaple

sdk/test/metrics/async_metric_storage_test.cc

@@ -30,8 +30,6 @@
 #ifdef ENABLE_METRICS_EXEMPLAR_PREVIEW
 #  include "opentelemetry/sdk/metrics/exemplar/filter_type.h"
 #  include "opentelemetry/sdk/metrics/exemplar/reservoir.h"
-#else
-#  include "opentelemetry/sdk/metrics/view/attributes_processor.h"
 #endif
 
 using namespace opentelemetry::sdk::metrics;