Revert "[Languages] Add new information to system language page."

This reverts commit 3cbb6f86802ade7aac51234a070b6f623d829081.

Reason for revert: b/248456615

Bug: b/248456615
Test: Manual test pass

Change-Id: I3bc5088784ed97f69ffadb0ea69078bfcf7dc39d
8 files changed