Remove coroutines (#874)

* Remove co-routine centric CORTEX_LM3S102_Rowley demos.

Remove CORTEX_LM3S102_Rowley Demo2 and Demo3.
Update Demo1 to no longer use coroutines.

* Remove co-routines from MB91460_Softune demo

* FreeRTOS_96348hs_SK16FX100PMC: Remove co-routine usage.

Remove co-routine usage from FreeRTOS_96348hs_SK16FX100PMC demo.

* MB96350_Softune_Dice_Kit: Remove co-routine usage

Remove co-routines usage from MB96350_Softune_Dice_Kit demo

* AVR_Dx_IAR: Remove co-routine usage

* AVR_Dx_Atmel_Studio: Remove co-routine usage

* PIC24_MPLAB: Remove autogenerated files and add to .gitignore

* PIC24_MPLAB: Remove co-routine usage from demo

* AVR_ATMega323_IAR: Remove co-routine usage

* ColdFire_MCF52221_CodeWarrior: Remove coroutine usage

* AVR_ATMega4809_MPLAB.X: Remove co-routine usage

* AVR_ATMega4809_IAR: Remove co-routine usage

* AVR_ATMega4809_Atmel_Studio: Remove coroutine usage

* AVR_ATMega323_WinAVR: Remove coroutine usage

* AVR_Dx_MPLAB.X: Remove coroutine usage

* dsPIC_MPLAB: Remove coroutine usage

* CORTEX_LM3S102_GCC: Remove coroutines and coroutine centric demos

* CORTEX_LM3S102_GCC: Update makefile to discard unused symbols

Allows fitting in the limited ram/flash for this part.

* CORTEX_LM3S316_IAR: Remove coroutines

* Demos: Remove references to crflash.c, crhook.c, crflash.h, crhook.h

* Remove coroutine options from FreeRTOSConfig.h files

* Xilinx: Remove backup file generated by revup utility

* Demos: Remove Coroutine related config items and references

* Format CBMC FreeRTOSConfig.h

* Update URL from aws.amazon.com/freertos to github.com/FreeRTOS

* Fix copyright year and license text

* Fix license text in demo files

* Update header check excluded path list

* Add configBENCHMARK to lexicon

FreeRTOS/Demo/Common/include/flash_timer.h

@@ -20,7 +20,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * https://www.FreeRTOS.org
- * https://aws.amazon.com/freertos
+ * https://github.com/FreeRTOS
  *
  */