IntFeatureSpace: Remove unused DeSerialize method

The Serialize method is used indirectly by MasterTrainer::Serialize,
but there is no corresponding MasterTrainer::DeSerialize.

Signed-off-by: Stefan Weil <sw@weilnetz.de>

src/classify/intfeaturespace.cpp

@@ -44,19 +44,6 @@ bool IntFeatureSpace::Serialize(FILE* fp) const {
   return true;
 }
 
-// DeSerializes the feature space definition from the given file.
-// If swap is true, the data is big/little-endian swapped.
-// Returns false on error.
-bool IntFeatureSpace::DeSerialize(bool swap, FILE* fp) {
-  if (fread(&x_buckets_, sizeof(x_buckets_), 1, fp) != 1)
-    return false;
-  if (fread(&y_buckets_, sizeof(y_buckets_), 1, fp) != 1)
-    return false;
-  if (fread(&theta_buckets_, sizeof(theta_buckets_), 1, fp) != 1)
-    return false;
-  return true;
-}
-
 // Returns an INT_FEATURE_STRUCT corresponding to the given index.
 // This is the inverse of the Index member.
 INT_FEATURE_STRUCT IntFeatureSpace::PositionFromIndex(int index) const {

src/classify/intfeaturespace.h

@@ -47,11 +47,6 @@ class IntFeatureSpace {
   // Returns false on error.
   bool Serialize(FILE* fp) const;
 
-  // DeSerializes the feature space definition from the given file.
-  // If swap is true, the data is big/little-endian swapped.
-  // Returns false on error.
-  bool DeSerialize(bool swap, FILE* fp);
-
   // Returns the total size of the feature space.
   int Size() const {
     return static_cast<int>(x_buckets_) * y_buckets_ * theta_buckets_;