Remove non-committer from commiters (#519)

diff --git a/landing-pages/site/data/committers.json b/landing-pages/site/data/committers.json
index fdc25e1..4161a65 100644
--- a/landing-pages/site/data/committers.json
+++ b/landing-pages/site/data/committers.json
@@ -60,10 +60,6 @@
     "nick": "Jiajie Zhong"
   },
   {
-    "name": "Patrick Leo Tardif",
-    "nick": "pltardif"
-  },
-  {
     "name": "Qian Yu",
     "github": "https://github.com/yuqian90",
     "image": "https://github.com/yuqian90.png",