Remove 5.4 for T

Unlike 4.19, T can launch with 5.4, but it must be android12-5.4, which
is already covered by the 's' compatibility check, even for launch
devices.

Change-Id: I2a1f85eca2914ccf6e51c6cfa889df0810c9ae20

compatibility_matrices/Android.bp

@@ -80,7 +80,6 @@ vintf_compatibility_matrix {
         "compatibility_matrix.current.xml",
     ],
     kernel_configs: [
-        "kernel_config_current_5.4",
         "kernel_config_current_5.10",
     ],
 }