Remove a couple of obsolete tests

mod_bench is basically useless as test and hasn't been used as benchmark
for a long time. alloc_example doesn't test anything that isn't
already tested by std_example.

build_system/tests.rs

@@ -73,8 +73,6 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
         "example/arbitrary_self_types_pointers_and_wrappers.rs",
         &[],
     ),
-    TestCase::build_lib("build.alloc_system", "example/alloc_system.rs", "lib"),
-    TestCase::build_bin_and_run("aot.alloc_example", "example/alloc_example.rs", &[]),
     TestCase::jit_bin("jit.std_example", "example/std_example.rs", "arg"),
     TestCase::build_bin_and_run("aot.std_example", "example/std_example.rs", &["arg"]),
     TestCase::build_bin_and_run("aot.dst_field_align", "example/dst-field-align.rs", &[]),
@@ -89,7 +87,6 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
         &[],
     ),
     TestCase::build_bin_and_run("aot.float-minmax-pass", "example/float-minmax-pass.rs", &[]),
-    TestCase::build_bin_and_run("aot.mod_bench", "example/mod_bench.rs", &[]),
     TestCase::build_bin_and_run("aot.issue-72793", "example/issue-72793.rs", &[]),
     TestCase::build_bin("aot.issue-59326", "example/issue-59326.rs"),
     TestCase::build_bin_and_run("aot.neon", "example/neon.rs", &[]),

config.txt

@@ -21,15 +21,12 @@ aot.mini_core_hello_world
 testsuite.base_sysroot
 aot.arbitrary_self_types_pointers_and_wrappers
 aot.issue_91827_extern_types
-build.alloc_system
-aot.alloc_example
 jit.std_example
 aot.std_example
 aot.dst_field_align
 aot.subslice-patterns-const-eval
 aot.track-caller-attribute
 aot.float-minmax-pass
-aot.mod_bench
 aot.issue-72793
 aot.issue-59326
 aot.neon