chore: remove All rights reserved clause from java.header (#479)

This PR was generated using Autosynth. 🌈 Synth log will be available here: https://source.cloud.google.com/results/invocations/48fe5753-412c-400e-acbb-fea3f671d33e/targets - [ ] To automatically regenerate this PR, check this box. (May take up to 24 hours.) Source-Link: googleapis/synthtool@09c59c2

Author: yoshi-automation

java.header

@@ -1,5 +1,5 @@
 ^/\*$
-^ \* Copyright \d\d\d\d,? Google (Inc\.|LLC)( All [rR]ights [rR]eserved\.)?$
+^ \* Copyright \d\d\d\d,? Google (Inc\.|LLC)$
 ^ \*$
 ^ \* Licensed under the Apache License, Version 2\.0 \(the "License"\);$
 ^ \* you may not use this file except in compliance with the License\.$

synth.metadata

@@ -4,7 +4,7 @@
  "git": {
  "name": ".",
  "remote": "https://github.com/googleapis/java-webrisk.git",
- "sha": "fc138dd9f70bd8a49ea8034ba7e2fe37179fa334"
+ "sha": "03f70b0b19623904869f0ed83a2e20249ea6547f"
  }
  },
  {
@@ -27,7 +27,7 @@
  "git": {
  "name": "synthtool",
  "remote": "https://github.com/googleapis/synthtool.git",
- "sha": "87254ac89a9559864c0a245d6b150406439ce3d8"
+ "sha": "09c59c20a4bf0daed1665af59035ff240fe356df"
  }
  }
  ],