Revert "qcacld-3.0: Use IS_ENABLED for the definition of kernel module"

This reverts Change-Id: Iaf86c9da2a9946aac09867b5c46dcc79f1b5c37e.
That change fails build for GKI variant.

Change-Id: I6cd7322870023d245fe9d20250ceb0b5d738d214
CRs-Fixed: 2701642

configs/genoa.snoc.debug_defconfig

@@ -36,10 +36,7 @@ endif
 ifeq ($(CONFIG_IPA), y)
 CONFIG_IPA_OFFLOAD := y
 endif
-ifeq ($(CONFIG_IPA3), m)
-CONFIG_IPA3_MODULE := y
-endif
-ifeq (y, $(findstring y, $(CONFIG_IPA3) $(CONFIG_IPA3_MODULE)))
+ifeq ($(CONFIG_IPA3), y)
 CONFIG_IPA_OFFLOAD := y
 endif