base: Remove unused Debug::All flag

The Debug::All flag doesn't seem to be used. Remove it.

Change-Id: I3d6ad1b2f61a2a0a5c52cbc6d520112855946007
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34117
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/base/debug.cc

@@ -125,35 +125,6 @@ CompoundFlag::disable()
         k->disable();
 }
 
-struct AllFlags : public Flag
-{
-    AllFlags()
-        : Flag("All", "All Flags")
-    {}
-
-    void
-    enable()
-    {
-        FlagsMap::iterator i = allFlags().begin();
-        FlagsMap::iterator end = allFlags().end();
-        for (; i != end; ++i)
-            if (i->second != this)
-                i->second->enable();
-    }
-
-    void
-    disable()
-    {
-        FlagsMap::iterator i = allFlags().begin();
-        FlagsMap::iterator end = allFlags().end();
-        for (; i != end; ++i)
-            if (i->second != this)
-                i->second->disable();
-    }
-};
-
-AllFlags theAllFlags;
-Flag *const All = &theAllFlags;
 
 bool
 changeFlag(const char *s, bool value)

src/base/debug.hh

@@ -108,8 +108,6 @@ FlagsMap &allFlags();
 
 Flag *findFlag(const std::string &name);
 
-extern Flag *const All;
-
 bool changeFlag(const char *s, bool value);
 
 } // namespace Debug