Remove authsecret HIDL entry in compat matrix.

This interface has been converted to AIDL.

Test: TH
Bug: 218588089
Change-Id: I091ff4acb38c42821e99f785404e922d7b71ffa2
Merged-In: I091ff4acb38c42821e99f785404e922d7b71ffa2
diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index 387648c..41d7ed1 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -60,14 +60,6 @@
              <instance>default</instance>
          </interface>
     </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hardware.authsecret</name>
-        <version>1.0</version>
-        <interface>
-            <name>IAuthSecret</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
         <interface>