kernel: Remove macro definitions, pass variables using ccflags -y, and reapply manual su protection.

kernel: stop printing useless message unless its ddk environment
* In-tree build show empty KDIR

-- KDIR:
-- MDIR: /home/runner/work/KernelSU-Test/KernelSU-Test/kernel_414/KernelSU/kernel
  AR      drivers/iommu/built-in.o
  CC      drivers/input/misc/uinput.o
-- KernelSU version: 12329
-- KernelSU: CONFIG_KSU_MANUAL_HOOK
-- Supported KernelSU Manager(s): tiann, rsuntk, 5ec1cff
  CC      drivers/kernelsu/ksu.o
  AR      drivers/input/joystick/built-in.o
  CC      drivers/hid/hid-roccat-pyra.o

Co-authored-by: Faris <rissu.ntk@gmail.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

.github/workflows/ddk-lkm.yml

@@ -18,7 +18,7 @@ jobs:
     name: Build kernelsu.ko for ${{ inputs.kmi }}
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/shirkneko/ddk:${{ inputs.kmi }}-${{ inputs.ddk_release }}
+      image: ghcr.io/ylarod/ddk:${{ inputs.kmi }}-${{ inputs.ddk_release }}
       options: --privileged
 
     steps:
@@ -31,7 +31,7 @@ jobs:
         cd kernel
 
         echo "=== Building kernelsu.ko for KMI: ${{ inputs.kmi }} ==="
-        CONFIG_KSU=m make
+        CONFIG_KSU=m CONFIG_KSU_KPROBES_HOOK=y CONFIG_KSU_MANUAL_SU=y make
         
         echo "=== Build completed ==="
         # Create output directory in GitHub workspace