exclude opentelemetry deps

Author: JoeWang1127

google-cloud-spanner/pom.xml

@@ -166,6 +166,12 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>grpc-gcp</artifactId>
+      <exclusions>
+         <exclusion>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-api</artifactId>
+         </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -198,6 +204,12 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-opentelemetry</artifactId>
+      <exclusions>
+         <exclusion>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-api</artifactId>
+         </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>