Remove checks for activated feature check_physical_overlapping (solan…

…a-labs#29355)

programs/bpf_loader/src/syscalls/mem_ops.rs

@@ -22,10 +22,6 @@ declare_syscall!(
     ) -> Result<u64, EbpfError> {
         mem_op_consume(invoke_context, n)?;
 
-        let do_check_physical_overlapping = invoke_context
-            .feature_set
-            .is_active(&check_physical_overlapping::id());
-
         if !is_nonoverlapping(src_addr, n, dst_addr, n) {
             return Err(SyscallError::CopyOverlapping.into());
         }
@@ -46,9 +42,7 @@ declare_syscall!(
             invoke_context.get_check_size(),
         )?
         .as_ptr();
-        if do_check_physical_overlapping
-            && !is_nonoverlapping(src_ptr as usize, n as usize, dst_ptr as usize, n as usize)
-        {
+        if !is_nonoverlapping(src_ptr as usize, n as usize, dst_ptr as usize, n as usize) {
             unsafe {
                 std::ptr::copy(src_ptr, dst_ptr, n as usize);
             }

programs/bpf_loader/src/syscalls/mod.rs

@@ -33,10 +33,10 @@ use {
         entrypoint::{BPF_ALIGN_OF_U128, MAX_PERMITTED_DATA_INCREASE, SUCCESS},
         feature_set::FeatureSet,
         feature_set::{
-            self, blake3_syscall_enabled, check_physical_overlapping,
-            check_syscall_outputs_do_not_overlap, curve25519_syscall_enabled,
-            disable_cpi_setting_executable_and_rent_epoch, disable_fees_sysvar,
-            enable_alt_bn128_syscall, enable_early_verification_of_account_modifications,
+            self, blake3_syscall_enabled, check_syscall_outputs_do_not_overlap,
+            curve25519_syscall_enabled, disable_cpi_setting_executable_and_rent_epoch,
+            disable_fees_sysvar, enable_alt_bn128_syscall,
+            enable_early_verification_of_account_modifications,
             error_on_syscall_bpf_function_hash_collisions, libsecp256k1_0_5_upgrade_enabled,
             limit_secp256k1_recovery_id, reject_callx_r10,
             stop_sibling_instruction_search_at_parent,