Remove symbols that don't exist in musl from linker benchmark

The lseek64, lstat64, pread64 and pwrite64 symbols have been removed
from musl 1.2.4.

Bug: 286415000
Test: builds
Change-Id: Icba9e92e1ccbb5b52d6c60e554ab411c9e5c1954
diff --git a/benchmarks/linker_relocation/gen/Android.bp b/benchmarks/linker_relocation/gen/Android.bp
index c8f0b4a..d07ebf7 100644
--- a/benchmarks/linker_relocation/gen/Android.bp
+++ b/benchmarks/linker_relocation/gen/Android.bp
@@ -1,8 +1,5 @@
 // AUTO-GENERATED BY gen_bench.py -- do not edit
-package {
-    default_applicable_licenses: ["bionic_benchmarks_license"],
-}
-
+package { default_applicable_licenses: ["bionic_benchmarks_license"], }
 cc_defaults {
     name: "linker_reloc_bench_all_libs",
     runtime_libs: [