rm obsolete code

GUI/coregui/utils/GUIHelpers.cpp

@@ -183,19 +183,6 @@ QString baseName(const QString& fileName) {
     return info.baseName();
 }
 
-//! Creates sub directory in given parent directory (should exist).
-//! If sub-directory already exists, no action will be taken.
-
-void createSubdir(const QString& parentName, const QString& subdirName) {
-    QDir projectDir(parentName);
-    if (projectDir.exists())
-        if (!projectDir.exists(subdirName))
-            if (!projectDir.mkdir(subdirName))
-                throw GUIHelpers::Error("GUIHelpers::createSubdir() -> Error. Can't create '"
-                                        + subdirName + "' in parent directory '" + parentName
-                                        + "'.");
-}
-
 QString currentDateTime() {
     return QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss");
     ;

GUI/coregui/utils/GUIHelpers.h

@@ -57,8 +57,6 @@ QString getValidFileName(const QString& proposed_name);
 QString fileDir(const QString& fileName);
 QString baseName(const QString& fileName);
 
-void createSubdir(const QString& parentName, const QString& subdirName);
-
 bool parseVersion(const QString& version, int& major_num, int& minor_num, int& patch_num);
 
 int versionCode(const QString& version);