Remove size optimization for individual modules

It makes more sense to set the optimization flags on a platform basis
instead of individually for each module. This allows for different
optimization options for SITL, NuttX, Snapdragon, etc.

src/drivers/hott/CMakeLists.txt

@@ -30,16 +30,14 @@
 # POSSIBILITY OF SUCH DAMAGE.
 #
 ############################################################################
-set(MODULE_CFLAGS -Os)
 list(APPEND MODULE_CFLAGS -Wframe-larger-than=1100)
 px4_add_module(
 	MODULE drivers__hott
 	COMPILE_FLAGS
-		${MODULE_CFLAGS}
 	SRCS
 		messages.cpp
 		comms.cpp
 	DEPENDS
 		platforms__common
 	)
-# vim: set noet ft=cmake fenc=utf-8 ff=unix : 
+# vim: set noet ft=cmake fenc=utf-8 ff=unix :

src/drivers/hott/hott_sensors/CMakeLists.txt

@@ -34,10 +34,9 @@ px4_add_module(
 	MODULE drivers__hott__hott_sensors
 	MAIN hott_sensors
 	COMPILE_FLAGS
-		-Os
 	SRCS
 		hott_sensors.cpp
 	DEPENDS
 		platforms__common
 	)
-# vim: set noet ft=cmake fenc=utf-8 ff=unix : 
+# vim: set noet ft=cmake fenc=utf-8 ff=unix :

src/drivers/hott/hott_telemetry/CMakeLists.txt

@@ -34,10 +34,9 @@ px4_add_module(
 	MODULE drivers__hott__hott_telemetry
 	MAIN hott_telemetry
 	COMPILE_FLAGS
-		-Os
 	SRCS
 		hott_telemetry.cpp
 	DEPENDS
 		platforms__common
 	)
-# vim: set noet ft=cmake fenc=utf-8 ff=unix : 
+# vim: set noet ft=cmake fenc=utf-8 ff=unix :