Remove OriginId functions since they are not useful right now

include/reader.h

@@ -292,16 +292,6 @@ class Reader
    */
   string getScraper() const;
 
-  /**
-   * Get the origId of the zim file.
-   *
-   * The origId is only used in the case of patch zim file and is the Id
-   * of the original zim file.
-   *
-   * @return The origId of the zim file as specified in the zim metadata.
-   */
-  string getOrigId() const;
-
   /**
    * Get the favicon of the zim file.
    *

src/reader.cpp

@@ -238,11 +238,6 @@ string Reader::getScraper() const
 }
 #undef METADATA
 
-string Reader::getOrigId() const
-{
-  return kiwix::getArchiveOrigId(*zimArchive);
-}
-
 Entry Reader::getEntryFromPath(const std::string& path) const
 {
   try {

src/tools/archiveTools.cpp

@@ -94,32 +94,7 @@ std::string getMetaFlavour(const zim::Archive& archive) {
 }
 
 std::string getArchiveId(const zim::Archive& archive) {
-  std::ostringstream s;
+  return (std::string) archive.getUuid();
-  s << archive.getUuid();
-  return s.str();
-}
-
-std::string getArchiveOrigId(const zim::Archive& archive) {
-  std::string value = getMetadata(archive, "startfileuid");
-  if (value.empty()) {
-    return "";
-  }
-  std::string id = value;
-  std::string origID;
-  std::string temp = "";
-  unsigned int k = 0;
-  char tempArray[16] = "";
-  for (unsigned int i = 0; i < id.size(); i++) {
-    if (id[i] == '\n') {
-      tempArray[k] = atoi(temp.c_str());
-      temp = "";
-      k++;
-    } else {
-      temp += id[i];
-    }
-  }
-  origID = (std::string) zim::Uuid::generate(tempArray);
-  return origID;
 }
 
 bool getArchiveFavicon(const zim::Archive& archive,

src/tools/archiveTools.h

@@ -41,7 +41,6 @@ namespace kiwix
     std::string getMetaPublisher(const zim::Archive& archive);
     std::string getMetaFlavour(const zim::Archive& archive);
     std::string getArchiveId(const zim::Archive& archive);
-    std::string getArchiveOrigId(const zim::Archive& archive);
 
     bool getArchiveFavicon(const zim::Archive& archive,
                            std::string& content, std::string& mimeType);