Drop extraneous entries from install diffs

These are 32-bit variants of `required` deps of some java_binaries. With
https://r.android.com/3282830, the 32-bit variants are no longer
erroneously installed in the Soong system image.

Test: Ran the filelistdiff tool
Bug: 369678122
Change-Id: I24664d4d5cc614db5a87725a68ac04a151c852c0
diff --git a/tools/filelistdiff/allowlist b/tools/filelistdiff/allowlist
index e215b22..ae8a662 100644
--- a/tools/filelistdiff/allowlist
+++ b/tools/filelistdiff/allowlist
@@ -9,7 +9,3 @@
 init.environ.rc
 # b/338342381
 etc/NOTICE.xml.gz
-
-# Known diffs only in the Soong system image
-lib/libhidcommand_jni.so
-lib/libuinputcommand_jni.so