P4: remove explicit enum casts

tests/unit/test_p4_tma_descriptor_dump.cu

@@ -45,7 +45,7 @@ int main() {
         elementStrides,
         (CUtensorMapInterleave)0,  // NONE
         (CUtensorMapSwizzle)0,     // NONE
-        (CUtensorMapL2Promotion)0, // NONE
+        0, // NONE
         (CUtensorMapOOBFill)0      // NONE
     );
 
@@ -72,7 +72,7 @@ int main() {
         elementStrides,
         (CUtensorMapInterleave)0,
         (CUtensorMapSwizzle)4,     // 128B
-        (CUtensorMapL2Promotion)0,
+        0,
         (CUtensorMapOOBFill)0
     );
 
@@ -99,7 +99,7 @@ int main() {
         elementStrides,
         (CUtensorMapInterleave)0,
         (CUtensorMapSwizzle)0,
-        (CUtensorMapL2Promotion)0,
+        0,
         (CUtensorMapOOBFill)1      // ZERO
     );
 
@@ -126,7 +126,7 @@ int main() {
         elementStrides,
         (CUtensorMapInterleave)0,
         (CUtensorMapSwizzle)4,
-        (CUtensorMapL2Promotion)0,
+        0,
         (CUtensorMapOOBFill)1
     );