Fix printing of struct fields in `tcache` command (#2447)

* Revert "Add __repr__ and __str__ methods to GDBValue (#2408)"

This reverts commit 7ed76041b9.

* Fixes bug #2406

---------

Co-authored-by: Itay Snir <63191638+itaysnir@users.noreply.github.com>

pwndbg/aglib/heap/structs.py

@@ -161,7 +161,7 @@ class CStruct2GDB:
         """
         output = "{\n"
         for f in self._c_struct._fields_:
-            output += f"  {f[0]} = {self.read_field(f[0])},\n"
+            output += f"  {f[0]} = {self.read_field(f[0]).inner},\n"
         output += "}"
         return output
 

pwndbg/dbg/__init__.py

@@ -727,12 +727,6 @@ class Value:
         """
         raise NotImplementedError()
 
-    def __repr__(self):
-        raise NotImplementedError()
-
-    def __str__(self):
-        raise NotImplementedError()
-
 
 class CommandHandle:
     """

pwndbg/dbg/gdb.py

@@ -950,14 +950,6 @@ class GDBValue(pwndbg.dbg_mod.Value):
 
         return GDBValue(self.inner[key])
 
-    @override
-    def __repr__(self):
-        return self.inner.__repr__()
-
-    @override
-    def __str__(self):
-        return self.inner.__str__()
-
 
 class GDB(pwndbg.dbg_mod.Debugger):
     @override