remove obsolete and deprecated parent (#785)

Author: elharo

pom.xml

@@ -2,11 +2,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <groupId>org.sonatype.oss</groupId>
-    <artifactId>oss-parent</artifactId>
-    <version>7</version>
-  </parent>
   <groupId>com.google.http-client</groupId>
   <artifactId>google-http-client-parent</artifactId>
   <version>1.31.1-SNAPSHOT</version><!-- {x-version-update:google-http-client-parent:current} -->