[lldb] Remove FileSpecList::GetFilesMatchingPartialPath (NFC)

This function is unused and unimplemented.

Author: JDevlieghere

lldb/include/lldb/Utility/FileSpecList.h

@@ -200,9 +200,6 @@ class FileSpecList {
     return false;
   }
 
-  static size_t GetFilesMatchingPartialPath(const char *path, bool dir_okay,
-                                            FileSpecList &matches);
-
   const_iterator begin() const { return m_files.begin(); }
   const_iterator end() const { return m_files.end(); }
 

lldb/source/Utility/FileSpecList.cpp

@@ -156,9 +156,3 @@ size_t FileSpecList::MemorySize() const {
 
 // Return the number of files in the file spec list.
 size_t FileSpecList::GetSize() const { return m_files.size(); }
-
-size_t FileSpecList::GetFilesMatchingPartialPath(const char *path,
-                                                 bool dir_okay,
-                                                 FileSpecList &matches) {
-  return 0;
-}