s390x: fix ptr-compr build break

Change-Id: I8c849e6259d60e8dc57a5b03f388cc9347488a1c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2642884Reviewed-by: Milad Fa <mfarazma@redhat.com>
Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/master@{#72235}

src/wasm/baseline/s390/liftoff-assembler-s390.h

@@ -203,7 +203,6 @@ void LiftoffAssembler::LoadTaggedPointer(Register dst, Register src_addr,
                                          Register offset_reg,
                                          int32_t offset_imm,
                                          LiftoffRegList pinned) {
-  STATIC_ASSERT(kTaggedSize == kInt64Size);
   CHECK(is_int20(offset_imm));
   LoadTaggedPointerField(
       dst,