fix bug

Author: mohanchen

source/source_basis/module_pw/test_gpu/pw_basis_C2C.cpp

@@ -44,9 +44,6 @@ class PW_BASIS_K_GPU_TEST : public ::testing::Test
         int distribution_type = 1;
         bool xprime = false;
         const int nks = 1;
-        ModuleBase::Vector3<double>* kvec_d;
-        kvec_d = new ModuleBase::Vector3<double>[nks];
-        kvec_d[0].set(0, 0, 0);
         // init
         const int mypool = 0;
         const int key = 1;
@@ -180,7 +177,6 @@ class PW_BASIS_K_GPU_TEST : public ::testing::Test
     }
     void TearDown() override
     {
-        delete[] kvec_d; // mohan add 20250926
         delete[] h_rhog;
         delete[] h_rhogout;
         delete[] h_rhor;