8231171: remove remaining sun.java.launcher.pid references

Reviewed-by: alanb, dholmes

src/java.base/share/native/libjli/java.c

@@ -338,9 +338,6 @@ JLI_Launch(int argc, char ** argv,              /* main argc, argv */
     /* Set the -Dsun.java.launcher pseudo property */
     SetJavaLauncherProp();
 
-    /* set the -Dsun.java.launcher.* platform properties */
-    SetJavaLauncherPlatformProps();
-
     return JVMInit(&ifn, threadStackSize, argc, argv, mode, what, ret);
 }
 /*

src/java.base/share/native/libjli/java.h

@@ -161,7 +161,6 @@ void PrintMachineDependentOptions();
 int CallJavaMainInNewThread(jlong stack_size, void* args);
 
 /* sun.java.launcher.* platform properties. */
-void SetJavaLauncherPlatformProps(void);
 void SetJavaCommandLineProp(char* what, int argc, char** argv);
 void SetJavaLauncherProp(void);