Remove trace provider from default libraries

It’s no longer needed for Carnelian packages and there’s no
guarantee that it will always be built.

Change-Id: I63fcd9b5001507ddb220652ec8b79973fd149119
diff --git a/src/package.rs b/src/package.rs
index 7815820..3be991f 100644
--- a/src/package.rs
+++ b/src/package.rs
@@ -167,7 +167,6 @@
 lib/ld.so.1={}
 lib/libfdio.so={}
 lib/libsyslog.so={}
-lib/librust-trace-provider.so={}/librust-trace-provider.so
 lib/libtrace-engine.so={}
 lib/libasync-default.so={}
 lib/libc++.so.2={}
@@ -181,7 +180,6 @@
         libc_path,
         fdio_path,
         libsyslog_path,
-        shared_libraries_str,
         libtraceengine_path,
         libasync_path,
         libcpp2_path,