[NO ISSUE][*DB] Fix asterix-metadata build warning

[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must
  be unique: org.apache.hyracks:hyracks-api:jar -> duplicate declaration of
  version (?) @ org.apache.asterix:asterix-metadata:[unknown-version],
  <>/asterixdb/asterixdb/asterix-metadata/pom.xml, line 147, column 17
i

Change-Id: I15c1c4ae0dc354af3716b523e3d5b40d6f6b9267
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2747
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterixdb/asterix-metadata/pom.xml b/asterixdb/asterix-metadata/pom.xml
index da564d1..94c2668 100644
--- a/asterixdb/asterix-metadata/pom.xml
+++ b/asterixdb/asterix-metadata/pom.xml
@@ -105,10 +105,6 @@
     </dependency>
     <dependency>
       <groupId>org.apache.hyracks</groupId>
-      <artifactId>hyracks-api</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.hyracks</groupId>
       <artifactId>algebricks-core</artifactId>
     </dependency>
     <dependency>