Minor code simplification

PiperOrigin-RevId: 718866724

Author: blickly

src/com/google/javascript/jscomp/DefaultPassConfig.java

@@ -1442,7 +1442,7 @@ public void process(Node externs, Node root) {
               (compiler) -> {
                 preprocessorSymbolTableFactory.maybeInitialize(compiler);
                 final ProcessClosurePrimitives pass = new ProcessClosurePrimitives(compiler);
-                return pass::process;
+                return pass;
               })
           .build();