android: gallium/iris: cleanup iris_driinfo.h gen rules

Android.mk and Makefile.sources are still defining iris_driinfo.h target
This patch removes the remaining gen rules

Fixes the following building error:

FAILED: out/target/product/x86_64/obj/STATIC_LIBRARIES/libmesa_pipe_iris_intermediates/iris/iris_driinfo.h
...
cp: bad 'out/target/product/x86_64/gen/STATIC_LIBRARIES/libmesa_pipe_iris_intermediates/iris/iris_driinfo.h': No such file or directory

Fixes: 974981c4e6b9 ("gallium/drm: Make the pipe loader handle the driconf merging.")
Signed-off-by: Mauro Rossi <issor.oruam@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6880>
diff --git a/src/gallium/drivers/iris/Android.mk b/src/gallium/drivers/iris/Android.mk
index e3f86b7..0281b3b 100644
--- a/src/gallium/drivers/iris/Android.mk
+++ b/src/gallium/drivers/iris/Android.mk
@@ -145,13 +145,6 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := libmesa_pipe_iris
-LOCAL_MODULE_CLASS := STATIC_LIBRARIES
-
-intermediates := $(call local-generated-sources-dir)
-
-LOCAL_GENERATED_SOURCES := $(addprefix $(intermediates)/iris/,$(GENERATED_SOURCES))
-
-LOCAL_EXPORT_C_INCLUDE_DIRS := $(intermediates)
 
 LOCAL_SRC_FILES := \
 	$(IRIS_C_SOURCES)
diff --git a/src/gallium/drivers/iris/Makefile.sources b/src/gallium/drivers/iris/Makefile.sources
index fa5fa84..343dae6 100644
--- a/src/gallium/drivers/iris/Makefile.sources
+++ b/src/gallium/drivers/iris/Makefile.sources
@@ -20,11 +20,7 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 # DEALINGS IN THE SOFTWARE.
 
-GENERATED_SOURCES := \
-	iris_driinfo.h
-
 IRIS_C_SOURCES = \
-	$(GENERATED_SOURCES) \
 	driinfo_iris.h \
 	iris_batch.c \
 	iris_batch.h \