Disable SCANNER in CC2500 64kb builds #459

Job	Run time
[Test] ATmega328p	2m 56s
[Build] ATmega328p	26s
[Test] ATmega328p (Optiboot)	2m 52s
[Build] ATmega328p (Optiboot)	27s
[Test] OrangeRX	38s
[Build] OrangeRX	22s
[Test] STM32F103 (64KB)	2m 54s
[Build] STM32F103 CC2500 (64KB)	33s
[Test] STM32F103 (128KB)	2m 52s
[Build] STM32F103 CC2500 (128KB)	29s
[Test] STM32F103 (128KB, USB Debug)	3m 12s
[Build] STM32F103 (128KB)	1m 25s
[Test] STM32F103 (128KB, Serial Debug)	3m 24s
[Test] T18 5-in-1 (128KB)	2m 38s
[Build] STM32F103 (128KB, USB Debug)	16s
[Build] STM32F103 (128KB, Serial Debug)	21s
[Build] STM32F103 5-in-1 (128KB)	56s
[Build] T-Lite 5-in-1 (128KB)	56s
[Build] T18 5-in-1 (128KB)	59s
[Build] Scripts	7s
[Deploy] Attach Build Artifacts	2s
[Release] Publish Files to Release	0s
	28m 45s

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