set grpc-core as runtime dependency

Author: xborder

flight/flight-core/pom.xml

@@ -62,6 +62,7 @@ under the License.
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-core</artifactId>
+      <scope>runtime</scope>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>

flight/flight-core/src/main/java/module-info.java

@@ -30,7 +30,6 @@
   requires com.google.protobuf;
   requires com.google.protobuf.util;
   requires io.grpc;
-  requires io.grpc.internal;
   requires io.grpc.netty;
   requires io.grpc.protobuf;
   requires io.grpc.stub;