Fixed typo in scm

Author: oschwald

pom.xml

@@ -22,7 +22,7 @@
     <scm>
         <url>https://github.com/maxmind/GeoIP2-java</url>
         <connection>scm:git:git://github.com:maxmind/GeoIP2-java.git</connection>
-        <developerConnection>sscm:git:[email protected]:maxmind/GeoIP2-java.git</developerConnection>
+        <developerConnection>scm:git:[email protected]:maxmind/GeoIP2-java.git</developerConnection>
     </scm>
     <issueManagement>
         <url>https://github.com/maxmind/GeoIP2-java/issues</url>