Remove the HIDL usb.gadget interface from the compat matrix

This has been deprecated in level 8. Use the AIDL interface instead.

Test: none
Bug: 205764057

Change-Id: I5c7ca0dc26b5dd14daceb5a31d1040f59d1421e3
diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index 5225f5f..b2fbebb3 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -755,14 +755,6 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hardware.usb.gadget</name>
-        <version>1.0-2</version>
-        <interface>
-            <name>IUsbGadget</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.usb.gadget</name>
         <interface>