Remove .astylerc as .clang-format is now used

DRAMSys.astylerc

@@ -1,10 +0,0 @@
---style=kr
---indent=spaces=4
---align-pointer=name
---align-reference=name
---convert-tabs
---attach-namespaces
---max-code-length=80
---max-instatement-indent=100
---pad-header
---pad-oper