Deleted 12.temporary_ins/10.electrostatics-vacuum/40.gauss-theorem-applications/10.gauss-integral-method/main/.gitkeep, 12.temporary_ins/10.electrostatics-vacuum/40.gauss-theorem-applications/10.gauss-integral-method/main/textbook.fr.md files

Deleted 12.temporary_ins/10.electrostatics-vacuum/40.gauss-theorem-applications/5.gauss-symetries-invariances/10.main/.gitkeep, 12.temporary_ins/10.electrostatics-vacuum/40.gauss-theorem-applications/5.gauss-symetries-invariances/10.main/textbook.fr.md, 12.temporary_ins/10.electrostatics-vacuum/40.gauss-theorem-applications/5.gauss-symetries-invariances/.gitkeep files