kernel: Nuke --cuda-path/--hip-path

Revert "kernel: Check HIP support of clang before disabling it"

This reverts commit 62c1374.

Revert "kernel: Force disable LLVM HIP"

This reverts commit ef68678.

Revert "kernel: Force disable LLVM CUDA"

This reverts commit ba14020.

Change-Id: I5cb2b4624eb0ec25dbc8c1b5888708d961ae59d7

build/tasks/kernel.mk

@@ -249,11 +249,7 @@ ifneq ($(TARGET_KERNEL_CLANG_COMPILE),false)
     endif
     PATH_OVERRIDE += PATH=$(TARGET_KERNEL_CLANG_PATH)/bin:$$PATH
     ifeq ($(KERNEL_CC),)
-        CLANG_EXTRA_FLAGS := --cuda-path=/dev/null
-        ifeq ($(shell $(TARGET_KERNEL_CLANG_PATH)/bin/clang -v --hip-path=/dev/null >/dev/null 2>&1; echo $$?),0)
-            CLANG_EXTRA_FLAGS += --hip-path=/dev/null
-        endif
-        KERNEL_CC := CC="$(CCACHE_BIN) clang $(CLANG_EXTRA_FLAGS)"
+        KERNEL_CC := CC="$(CCACHE_BIN) clang"
     endif
 endif