Remove obsolete deprecation warning suppression (#6144)

See gh-5699

Signed-off-by: Johnny Lim <[email protected]>

Author: izeye

implementations/micrometer-registry-otlp/src/main/java/io/micrometer/registry/otlp/OtlpMetricConverter.java

@@ -57,7 +57,6 @@ class OtlpMetricConverter {
 
     private final long deltaTimeUnixNano;
 
-    @SuppressWarnings("deprecation")
     OtlpMetricConverter(Clock clock, Duration step, TimeUnit baseTimeUnit,
             AggregationTemporality aggregationTemporality, NamingConvention namingConvention) {
         this.clock = clock;

implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpMeterRegistryTest.java

@@ -209,7 +209,6 @@ void distributionWithPercentileHistogramShouldWriteHistogramOrExponentialHistogr
             .isEqualTo(Metric.DataCase.EXPONENTIAL_HISTOGRAM.getNumber());
     }
 
-    @SuppressWarnings("deprecation")
     @Test
     void multipleMetricsWithSameMetaDataShouldBeSingleMetric() {
         Tags firstTag = Tags.of("key", "first");
@@ -694,7 +693,6 @@ protected void stepOverNStep(int numStepsToSkip) {
         clock.addSeconds(otlpConfig().step().getSeconds() * numStepsToSkip);
     }
 
-    @SuppressWarnings("deprecation")
     protected void assertHistogram(Metric metric, long startTime, long endTime, String unit, long count, double sum,
             double max) {
         assertThat(metric.getHistogram().getAggregationTemporality())
@@ -720,7 +718,6 @@ protected void assertHistogram(Metric metric, long startTime, long endTime, Stri
         }
     }
 
-    @SuppressWarnings("deprecation")
     protected void assertSum(Metric metric, long startTime, long endTime, double expectedValue) {
         NumberDataPoint sumDataPoint = metric.getSum().getDataPoints(0);
         assertMetricMetadata(metric, Optional.empty());