[PHI decoupling] remove "paddle/fluid/platform/complex.h" in phi (#47926)

* rm "paddle/fluid/platform/complex.h" in phi

* fix codestyle with pre-commit

Author: huangjiyi

paddle/phi/backends/dynload/lapack.h

@@ -17,7 +17,6 @@ limitations under the License. */
 #include <complex>
 #include <mutex>
 
-#include "paddle/fluid/platform/complex.h"
 #include "paddle/phi/backends/dynload/dynamic_loader.h"
 #include "paddle/phi/backends/dynload/port.h"
 

paddle/phi/kernels/cpu/concat_kernel.cc

@@ -15,9 +15,9 @@
 #include "paddle/phi/kernels/concat_kernel.h"
 
 #include "paddle/fluid/operators/strided_memcpy.h"
-#include "paddle/fluid/platform/complex.h"
 #include "paddle/phi/backends/cpu/cpu_context.h"
 #include "paddle/phi/common/bfloat16.h"
+#include "paddle/phi/common/complex.h"
 #include "paddle/phi/common/scalar.h"
 #include "paddle/phi/core/dense_tensor.h"
 #include "paddle/phi/core/kernel_registry.h"

paddle/phi/kernels/gpu/concat_kernel.cu

@@ -15,9 +15,9 @@
 #include "paddle/phi/kernels/concat_kernel.h"
 
 #include "paddle/fluid/operators/strided_memcpy.h"
-#include "paddle/fluid/platform/complex.h"
 #include "paddle/phi/backends/gpu/gpu_context.h"
 #include "paddle/phi/common/bfloat16.h"
+#include "paddle/phi/common/complex.h"
 #include "paddle/phi/common/scalar.h"
 #include "paddle/phi/core/dense_tensor.h"
 #include "paddle/phi/core/kernel_registry.h"

paddle/phi/kernels/gpu/pad_kernel.cu

@@ -14,8 +14,8 @@
 
 #include "paddle/phi/kernels/pad_kernel.h"
 
-#include "paddle/fluid/platform/complex.h"
 #include "paddle/phi/backends/gpu/gpu_context.h"
+#include "paddle/phi/common/complex.h"
 #include "paddle/phi/core/kernel_registry.h"
 #include "paddle/phi/kernels/impl/pad_kernel_impl.h"