move network usage sample zip

Change-Id: I4ed2ebe357d420fea20d69515d9e91dc73579bba
diff --git a/docs/downloads/training/NetworkUsage.zip b/docs/downloads/training/NetworkUsage.zip
index 8c7fbef..6dbeb33 100644
--- a/docs/downloads/training/NetworkUsage.zip
+++ b/docs/downloads/training/NetworkUsage.zip
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diff --git a/docs/html/shareables/training/NetworkUsage.zip b/docs/html/shareables/training/NetworkUsage.zip
deleted file mode 100644
index 6dbeb33..0000000
--- a/docs/html/shareables/training/NetworkUsage.zip
+++ /dev/null
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