Remove yangguo@chromium.org from some OWNERS files

R=hpayer@chromium.org

Change-Id: If3586bf451e08ab4bbf6d91b9f15382fad411219
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1868609
Auto-Submit: Yang Guo <yangguo@chromium.org>
Commit-Queue: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64679}

src/d8/OWNERS

@@ -2,4 +2,3 @@ binji@chromium.org
 bmeurer@chromium.org
 clemensb@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org

src/execution/OWNERS

@@ -8,6 +8,5 @@ delphick@chromium.org
 petermarshall@chromium.org
 szuend@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org
 
 # COMPONENT: Blink>JavaScript>Runtime

src/handles/OWNERS

@@ -2,6 +2,5 @@ ishell@chromium.org
 jkummerow@chromium.org
 mlippautz@chromium.org
 ulan@chromium.org
-yangguo@chromium.org
 
 # COMPONENT: Blink>JavaScript>GC

src/init/OWNERS

@@ -9,6 +9,5 @@ marja@chromium.org
 mathias@chromium.org
 ulan@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org
 
 # COMPONENT: Blink>JavaScript>Runtime

src/json/OWNERS

 ishell@chromium.org
 jkummerow@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org
 
 # COMPONENT: Blink>JavaScript>Runtime

src/strings/OWNERS

@@ -2,6 +2,5 @@ bmeurer@chromium.org
 jkummerow@chromium.org
 leszeks@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org
 
 # COMPONENT: Blink>JavaScript>Runtime

src/third_party/siphash/OWNERS

 sigurds@chromium.org
 verwaest@chromium.org
-yangguo@chromium.org