PPC/s390: [deoptimizer] Remove soft deopts

Port 1ff685d8

Original Commit Message:

    .. since they are the same as eager deopts (% an unused counter).

R=jgruber@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: I5575f2b14393e0b1a653b8d6be00c9dab338c160
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3568924Reviewed-by: Jakob Linke <jgruber@chromium.org>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#79745}

src/builtins/ppc/builtins-ppc.cc

@@ -3459,10 +3459,6 @@ void Builtins::Generate_DeoptimizationEntry_Eager(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kEager);
 }
 
-void Builtins::Generate_DeoptimizationEntry_Soft(MacroAssembler* masm) {
-  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kSoft);
-}
-
 void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }

src/builtins/s390/builtins-s390.cc

@@ -3838,10 +3838,6 @@ void Builtins::Generate_DeoptimizationEntry_Eager(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kEager);
 }
 
-void Builtins::Generate_DeoptimizationEntry_Soft(MacroAssembler* masm) {
-  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kSoft);
-}
-
 void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }

src/deoptimizer/ppc/deoptimizer-ppc.cc

@@ -16,7 +16,6 @@ namespace internal {
                 0x1000)
 ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Eager);
 ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Lazy);
-ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Soft);
 #undef ASSERT_OFFSET
 
 const int Deoptimizer::kEagerDeoptExitSize = 3 * kInstrSize;

src/deoptimizer/s390/deoptimizer-s390.cc

@@ -16,7 +16,6 @@ namespace internal {
                 0x1000)
 ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Eager);
 ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Lazy);
-ASSERT_OFFSET(Builtin::kDeoptimizationEntry_Soft);
 #undef ASSERT_OFFSET
 
 const int Deoptimizer::kEagerDeoptExitSize = 6 + 2;