arch/arm64: Remove arm64_copystate.c

The file is not referenced from anywhere and is obsolete / dead code anyway
-> remove it from the index.

Author: pussuw

arch/arm64/src/common/CMakeLists.txt

@@ -27,7 +27,7 @@ list(APPEND SRCS arm64_fork_func.S)
 
 # Common C source files ( OS call up_xxx)
 list(APPEND SRCS arm64_initialize.c arm64_initialstate.c arm64_boot.c)
-list(APPEND SRCS arm64_nputs.c arm64_copystate.c arm64_createstack.c)
+list(APPEND SRCS arm64_nputs.c arm64_createstack.c)
 list(APPEND SRCS arm64_releasestack.c arm64_stackframe.c arm64_usestack.c)
 list(APPEND SRCS arm64_exit.c arm64_fork.c)
 list(APPEND SRCS arm64_schedulesigaction.c arm64_sigdeliver.c)

arch/arm64/src/common/Make.defs

@@ -39,7 +39,7 @@ CMN_ASRCS += arm64_fork_func.S
 
 # Common C source files ( OS call up_xxx)
 CMN_CSRCS =  arm64_initialize.c arm64_initialstate.c arm64_boot.c
-CMN_CSRCS += arm64_nputs.c arm64_copystate.c arm64_createstack.c
+CMN_CSRCS += arm64_nputs.c arm64_createstack.c
 CMN_CSRCS += arm64_releasestack.c arm64_stackframe.c arm64_usestack.c
 CMN_CSRCS += arm64_exit.c arm64_fork.c
 CMN_CSRCS += arm64_schedulesigaction.c arm64_sigdeliver.c