Update aws_first_launch_setup.sh

aws_first_launch_setup.sh

@@ -1,5 +1,13 @@
 #!/bin/bash
 
+# Remove junk files
+cd ~/
+rm BUILD_FROM_SOURCE_PACKAGES_LICENCES LINUX_PACKAGES_LICENSES LINUX_PACKAGES_LIST PYTHON_PACKAGES_LICENSES THIRD_PARTY_SOURCE_CODE_URLS 
+rm -rf nvidia-acknowledgements
+
+# Creating folders
+mkdir ~/dev
+
 # Format nvme1n1
 sudo mkfs -t xfs /dev/nvme1n1