Removing dependency that is no longer needed.

Signed-off-by: Alfredo Gutierrez Grajeda <alfredo@hashgraph.com>

Author: AlfredoG87

hiero-dependency-versions/build.gradle.kts

@@ -67,7 +67,6 @@ dependencies.constraints {
     api("io.grpc:grpc-stub:$grpcIoVersion") { because("io.grpc.stub") }
     api("io.grpc:grpc-protobuf:$grpcIoVersion") { because("io.grpc.protobuf") }
     api("io.grpc:grpc-netty:$grpcIoVersion") { because("io.grpc.netty") }
-    api("io.grpc:protoc-gen-grpc-java:1.74.0")
 
     // command line tool
     api("info.picocli:picocli:4.7.7") { because("info.picocli") }