MANILA, Philippines – EJ Obiena on Tuesday said he remained unperturbed and vowed to face head on against the Philippine Athletics and Track and Field Association, which has threatened to drop him from the national team and file an estafa case. “I will leave everything to my legal team,” said the 26-year-old Tokyo Olympian pole-vaulter in his social media post Tuesday night. Obiena said he plans to return to training amid the controversy. “I will focus on training and jumping. My valuable season will start in less than a month,” said Obiena. “I have a small window to save my season and I do no…