remove custom alloc error handler

src/allocator.rs

@@ -87,19 +87,3 @@ unsafe impl GlobalAlloc for TockAllocator {
 
 #[global_allocator]
 static ALLOCATOR: TockAllocator = TockAllocator::new();
-
-#[cfg(not(feature = "custom_alloc_error_handler"))]
-#[alloc_error_handler]
-unsafe fn alloc_error_handler(_: Layout) -> ! {
-    use crate::syscalls;
-
-    // Print 0x01 using the LowLevelDebug capsule (if available).
-    let _ = syscalls::command1_insecure(8, 2, 0x01);
-
-    // Signal a panic using the LowLevelDebug capsule (if available).
-    let _ = syscalls::command1_insecure(8, 1, 0x01);
-
-    loop {
-        syscalls::raw::yieldk();
-    }
-}

src/main.rs

@@ -11,8 +11,6 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-#![feature(alloc_error_handler)]
-
 #![cfg_attr(not(feature = "std"), no_std)]
 
 #[macro_use]