[lldb][NFCI] Remove unused swig macros

These should have been removed in 662548c.

(cherry picked from commit fc28560)

Author: bulbazord

lldb/bindings/macros.swig

@@ -1,18 +1,3 @@
-%define STRING_EXTENSION_LEVEL(Class, Level)
-%extend {
-  std::string lldb:: ## Class ## ::__repr__(){
-    lldb::SBStream stream;
-    $self->GetDescription (stream, Level);
-    const char *desc = stream.GetData();
-    size_t desc_len = stream.GetSize();
-    if (desc_len > 0 && (desc[desc_len-1] == '\n' || desc[desc_len-1] == '\r')) {
-      --desc_len;
-    }
-    return std::string(desc, desc_len);
-  }
-}
-%enddef
-
 %define STRING_EXTENSION_LEVEL_OUTSIDE(Class, Level)
 %extend lldb:: ## Class ## {
   std::string __repr__(){
@@ -28,25 +13,6 @@
 }
 %enddef
 
-%define STRING_EXTENSION(Class)
-%extend {
-  std::string lldb:: ## Class ## ::__repr__(){
-    lldb::SBStream stream;
-    $self->GetDescription (stream);
-    const char *desc = stream.GetData();
-    size_t desc_len = stream.GetSize();
-    if (desc_len > 0 && (desc[desc_len-1] == '\n' || desc[desc_len-1] == '\r')) {
-      --desc_len;
-    }
-    return std::string(desc, desc_len);
-  }
-}
-%enddef
-
-// NOTE:
-// This is for when you are peforming the extension from outside of the class
-// instead of inside of it. If this change works out, it will replace
-// STRING_EXTENSION entirely.
 %define STRING_EXTENSION_OUTSIDE(Class)
 %extend lldb:: ## Class ## {
   std::string __repr__(){