Remove import comment on camera metadata HAL.

No good place in generated docs.

Bug: 124382459
Test: ./update-makefiles.sh
Change-Id: I7802d12c34b33be192c83fc46ffed5a6a7385a0a
diff --git a/current.txt b/current.txt
index 10b9b18..ffc851b 100644
--- a/current.txt
+++ b/current.txt
@@ -390,7 +390,7 @@
 684702a60deef03a1e8093961dc0a18c555c857ad5a77ba7340b0635ae01eb70 android.hardware.camera.device@3.4::ICameraDeviceSession
 f8a19622cb0cc890913b1ef3e32b675ffb26089a09e02fef4056ebad324d2b5d android.hardware.camera.device@3.4::types
 291638a1b6d4e63283e9e722ab5049d9351717ffa2b66162124f84d1aa7c2835 android.hardware.camera.metadata@3.2::types
-a31142da4cc87ad50e4e981d12291d4decbb432fcb00f175f0ca904d0fcdbe5b android.hardware.camera.metadata@3.3::types
+23780340c686ee86986aa5a9755c2d8566224fed177bbb22a5ebf06be574b60c android.hardware.camera.metadata@3.3::types
 da33234403ff5d60f3473711917b9948e6484a4260b5247acdafb111193a9de2 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
 21165b8e30c4b2d52980e4728f661420adc16e38bbe73476c06b2085be908f4c android.hardware.gnss@1.0::IGnssCallback
 d702fb01dc2a0733aa820b7eb65435ee3334f75632ef880bafd2fb8803a20a58 android.hardware.gnss@1.0::IGnssMeasurementCallback