fix(java-core): remove unused conscrypt dependency from google-cloud-core-http/pom.xml

Author: lqiu96

sdk-platform-java/java-core/google-cloud-core-http/pom.xml

@@ -75,11 +75,6 @@
       <artifactId>error_prone_annotations</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>org.conscrypt</groupId>
-      <artifactId>conscrypt-openjdk-uber</artifactId>
-    </dependency>
-
     <!-- Test dependencies -->
     <dependency>
       <groupId>org.junit.platform</groupId>