Remove redundant initialization of system properties.

These are set by sun.misc.Version. Attempting to set them twice
results in a warning from j/l/System and breaks a crap ton of art
tests.

Change-Id: I0aa1b710e14c64f922e0716a331cc57259a76fe1
diff --git a/ojluni/src/main/java/java/lang/System.java b/ojluni/src/main/java/java/lang/System.java
index 537195d..613b8ba 100755
--- a/ojluni/src/main/java/java/lang/System.java
+++ b/ojluni/src/main/java/java/lang/System.java
@@ -945,7 +945,6 @@
         p.put("java.class.version", "50.0");
         p.put("java.compiler", "");
         p.put("java.ext.dirs", "");
-        p.put("java.version", "0");
 
         // TODO: does this make any sense? Should we just leave java.home unset?
         String javaHome = getenv("JAVA_HOME");
@@ -967,8 +966,6 @@
         p.put("java.vm.vendor", projectName);
         p.put("java.vm.version", runtime.vmVersion());
 
-        p.put("java.runtime.name", "Android Runtime");
-        p.put("java.runtime.version", "0.9");
         p.put("java.vm.vendor.url", projectUrl);
 
         p.put("java.net.preferIPv6Addresses", "false");