arch: Remove a couple of deprecated namespaces

These namespaces have gone through the deprecation period
and can now be removed: X86Macroops, SMBios, RomLabels,
DeliveryMode, ConditionTests.

Change-Id: I6ff5e98319d92e27743a9fbeeab054497a2392e0
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67375
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>

src/arch/x86/bios/smbios.hh

@@ -61,7 +61,6 @@ struct X86SMBiosSMBiosTableParams;
 namespace X86ISA
 {
 
-GEM5_DEPRECATED_NAMESPACE(SMBios, smbios);
 namespace smbios
 {
 

src/arch/x86/fs_workload.hh

@@ -55,7 +55,6 @@ namespace gem5
 namespace X86ISA
 {
 
-GEM5_DEPRECATED_NAMESPACE(SMBios, smbios);
 namespace smbios
 {
 

src/arch/x86/insts/microop.hh

@@ -48,7 +48,6 @@ namespace gem5
 namespace X86ISA
 {
 
-GEM5_DEPRECATED_NAMESPACE(ConditionTests, condition_tests);
 namespace condition_tests
 {
 

src/arch/x86/intmessage.hh

@@ -52,7 +52,6 @@ namespace X86ISA
         Bitfield<21> trigger;
     EndBitUnion(TriggerIntMessage)
 
-    GEM5_DEPRECATED_NAMESPACE(DeliveryMode, delivery_mode);
     namespace delivery_mode
     {
         enum IntDeliveryMode

src/arch/x86/isa/macroop.isa

@@ -76,7 +76,6 @@ output header {{
 
 // Basic instruction class declaration template.
 def template MacroDeclare {{
-    GEM5_DEPRECATED_NAMESPACE(X86Macroop, x86_macroop);
     namespace x86_macroop
     {
         /**

src/arch/x86/isa/rom.isa

@@ -42,9 +42,7 @@ let {{
 
     class X86MicrocodeRom(Rom):
         def getDeclaration(self):
-            declareLabels = \
-                "GEM5_DEPRECATED_NAMESPACE(RomLabels, rom_labels);\n"
-            declareLabels += "namespace rom_labels\n{\n"
+            declareLabels = "namespace rom_labels\n{\n"
             for (label, microop) in self.labels.items():
                 declareLabels += "const static uint64_t label_%s = %d;\n" \
                                   % (label, microop.micropc)