IVGCVSW-5298 Remove boost::format from Android-nn-driver

* Replaced with stringstream, string or filesystem::path

Signed-off-by: Colm Donelan <Colm.Donelan@arm.com>
Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: I2aa80d88cc0eaff5de4dc6a121370ebf41dcb0a8
diff --git a/ArmnnPreparedModel_1_2.cpp b/ArmnnPreparedModel_1_2.cpp
index dd5bdae..c2148ba 100644
--- a/ArmnnPreparedModel_1_2.cpp
+++ b/ArmnnPreparedModel_1_2.cpp
@@ -8,7 +8,6 @@
 #include "ArmnnPreparedModel_1_2.hpp"
 #include "Utils.hpp"
 
-#include <boost/format.hpp>
 #include <log/log.h>
 #include <OperationsUtils.h>
 #include <ExecutionBurstServer.h>
@@ -127,7 +126,7 @@
 {
     if (!m_RequestInputsAndOutputsDumpDir.empty())
     {
-        const std::string requestName = boost::str(boost::format("%1%_%2%.dump") % m_NetworkId % m_RequestCount);
+        const std::string requestName = std::to_string(m_NetworkId) + "_" + std::to_string(m_RequestCount) + ".dump";
         for (std::size_t i = 0u; i < tensorBindings.size(); ++i)
         {
             DumpTensor(m_RequestInputsAndOutputsDumpDir,