Remove OS_PACK define

[skliper]

Is your feature request related to a problem? Please describe.
Shouldn't use non-standard packing options. Really should scrub the list.

osal/src/os/inc/common_types.h

Lines 52 to 75 in 1a82657

	/*
	** Define compiler specific macros
	** The __extension__ compiler pragma is required
	** for the uint64 type using GCC with the ANSI C90 standard.
	** Other macros can go in here as needed, for example alignment
	** pragmas.
	**
	** NOTE: The white-box (coverage) unit testing may need to disable
	** these extra attributes. These test builds define the OSAPI_NO_SPECIAL_ATTRIBS
	** macro to disable this.
	*/
	#if defined(__GNUC__) && !defined(OSAPI_NO_SPECIAL_ATTRIBS)
	#define _EXTENSION_ __extension__
	#define OS_PACK __attribute__((packed))
	#define OS_ALIGN(n) __attribute__((aligned(n)))
	#define OS_USED __attribute__((used))
	#define OS_PRINTF(n, m) __attribute__((format(printf, n, m)))
	#else
	#define _EXTENSION_
	#define OS_PACK
	#define OS_ALIGN(n)
	#define OS_USED
	#define OS_PRINTF(n, m)
	#endif

Describe the solution you'd like
Remove/scrub

Describe alternatives you've considered
None

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC