add id3v2 frame delete test
add id3v2 frame delete test

MaxLeb/taglib,videolabs/taglib,i80and/taglib,i80and/taglib,TsudaKageyu/taglib,MaxLeb/taglib,davispuh/taglib,Distrotech/taglib,videolabs/taglib,black78/taglib,Distrotech/taglib,taglib/taglib,i80and/taglib,MaxLeb/taglib,pbhd/taglib,pbhd/taglib,dlz1123/taglib,black78/taglib,taglib/taglib,dlz1123/taglib,TsudaKageyu/taglib,pbhd/taglib,taglib/taglib,black78/taglib,Distrotech/taglib,TsudaKageyu/taglib,dlz1123/taglib,videolabs/taglib,davispuh/taglib,davispuh/taglib