qcacld-3.0: Remove unused WCN_PRONTO macros

The Kbuild currently conditionally defines the macros WCN_PRONTO and
WCN_PRONTO_V1.  However these macros are not actually referenced in
the driver, so remove them.

Change-Id: I173fb8ee9bcc89faa3d03be91dc1628f561c561e
CRs-Fixed: 2220914

Kbuild

@@ -1992,11 +1992,6 @@ endif
 endif
 endif
 
-ifneq ($(CONFIG_QCA_CLD_WLAN),)
-CDEFINES += -DWCN_PRONTO
-CDEFINES += -DWCN_PRONTO_V1
-endif
-
 ifeq ($(BUILD_DEBUG_VERSION),1)
 CDEFINES +=	-DWLAN_DEBUG \
 		-DPE_DEBUG_LOGW \