rm old fontconfig files

.../fontconfig/ac68f755438cc3dc5a526084839fc7ca-le64.cache-3

.../fontconfig/b4d0b56f766d89640448751fcd18ec1e-le64.cache-3

.../fontconfig/b67b32625a2bb51b023d3814a918f351-le64.cache-3

.../fontconfig/b79f3aaa7d385a141ab53ec885cc22a8-le64.cache-3

.../fontconfig/b887eea8f1b96e1d899b44ed6681fc27-le64.cache-3

.../fontconfig/b966c23d19cce9e9a98d55765cf2a0c7-le64.cache-3

.../fontconfig/c46020d7221988a13df853d2b46304fc-le64.cache-3

.../fontconfig/d3379abda271c4acd2ad0c01f565d0b0-le64.cache-3

.../fontconfig/df893b4576ad6107f9397134092c4059-le64.cache-3

.../fontconfig/e61abf8156cc476151baa07d67337cae-le64.cache-3

.../fontconfig/f9d379b867d7c69c85310a4f24e5228f-le64.cache-3