ppc64: remove trampoline check on short branches

Change-Id: I3bf465381df92dc2ec3181f1082463a2d7903854
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3677332Reviewed-by: Milad Farazmand <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80828}

src/codegen/ppc/assembler-ppc.h

@@ -821,7 +821,7 @@ class Assembler : public AssemblerBase {
       return;
     }
 
-    if ((L->is_bound() && is_near(L, cond)) || !is_trampoline_emitted()) {
+    if ((L->is_bound() && is_near(L, cond))) {
       bc_short(cond, L, cr, lk);
       return;
     }