arm: ResetContext shouldn't be part of ARM_Interface.

src/core/arm/arm_interface.h

@@ -121,15 +121,6 @@ public:
      */
     virtual void AddTicks(u64 ticks) = 0;
 
-    /**
-     * Initializes a CPU context for use on this CPU
-     * @param context Thread context to reset
-     * @param stack_top Pointer to the top of the stack
-     * @param entry_point Entry point for execution
-     * @param arg User argument for thread
-     */
-    virtual void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) = 0;
-
     /**
      * Saves the current CPU context
      * @param ctx Thread context to save