Remove unused local variables

This fixes some compiler warnings.

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

Author: stweil

ccutil/tessdatamanager.cpp

@@ -42,7 +42,6 @@ void TessdataManager::LoadFileLater(const char *data_file_name) {
 
 bool TessdataManager::Init(const char *data_file_name) {
   GenericVector<char> data;
-  bool result = true;
   if (reader_ == nullptr) {
     if (!LoadDataFromFile(data_file_name, &data)) return false;
   } else {

classify/intproto.cpp

@@ -760,7 +760,6 @@ namespace tesseract {
  */
 INT_TEMPLATES Classify::ReadIntTemplates(bool swap, TFile *fp) {
   int i, j, w, x, y, z;
-  int nread;
   int unicharset_size;
   int version_id = 0;
   INT_TEMPLATES Templates;