remove old library versions from go module files

Signed-off-by: kim (grufwub) <grufwub@gmail.com>

go.sum

@@ -1,25 +1,15 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/grufwub/go-bufpools v0.0.0-20201026084325-a3a938b7d6d8 h1:NFJnr99JkUeqZcTCf0uwMX3EG7YpwLrQ3j9gGlkd5tg=
-github.com/grufwub/go-bufpools v0.0.0-20201026084325-a3a938b7d6d8/go.mod h1:ITqLRtG+W1bZHGdkWewV7inb+GcWfq2Jcjqx4AZ7aBY=
 github.com/grufwub/go-bufpools v0.1.1 h1:TOUKNY+UaQ784EtvP+wKoXssYQQRX5zewtrZ7u4C81M=
 github.com/grufwub/go-bufpools v0.1.1/go.mod h1:ITqLRtG+W1bZHGdkWewV7inb+GcWfq2Jcjqx4AZ7aBY=
 github.com/grufwub/go-config v0.1.0 h1:/UDEmprs4h4qEkgmQqthmtGZeJs8eB44qMVSqa+5sxU=
 github.com/grufwub/go-config v0.1.0/go.mod h1:0U5Y0EkNeL09YkY70fNZv4Kelfayp/VroEs2UzmUG04=
 github.com/grufwub/go-errors v0.1.0 h1:1gNPO4zzVDS88Kgtd60cBs7ZJiWy1hjjP6bFG6Ik+t8=
 github.com/grufwub/go-errors v0.1.0/go.mod h1:AXGtU2fWv8ejaUUT0+9wTOlWqcxYDo8wuYnhrYtoBKM=
-github.com/grufwub/go-filecache v0.0.0-20201109234016-53d503bf2622 h1:5KP/W4Usq09XBySqmPVuYDcPAGI4Z86bTN4k1yKapmI=
-github.com/grufwub/go-filecache v0.0.0-20201109234016-53d503bf2622/go.mod h1:FAUdzHGs72ulYZCh9xPJWJosuInjppjBOw/bKJYS+R8=
 github.com/grufwub/go-filecache v0.1.0 h1:OugzIHzLco8LLRnAlD7m6zSFQTILjltNO8Hhr/8vcCo=
 github.com/grufwub/go-filecache v0.1.0/go.mod h1:iAfqEfsC5YsyGD+f8JducuWeRqCDBVPi1+VmCaPL07Q=
-github.com/grufwub/go-logger v0.0.0-20201101130825-423526bd353f h1:dLs3F/sxDeP9EOF+9oUVoCucDoPBvmRCGKQnbrTgZsg=
-github.com/grufwub/go-logger v0.0.0-20201101130825-423526bd353f/go.mod h1:pZny1PMTpy9FAKMbaDYbPJbthl0wrSpVoIcnEjkRZaQ=
-github.com/grufwub/go-logger v0.1.0 h1:SrPJby+H0r1f2aS3fzFO1W3lqyZ9O9WnqbqyX1vkL0w=
-github.com/grufwub/go-logger v0.1.0/go.mod h1:pZny1PMTpy9FAKMbaDYbPJbthl0wrSpVoIcnEjkRZaQ=
 github.com/grufwub/go-logger v0.1.1 h1:KnD6NNyeq3cz6dZKW/Gr+Fz9dNvkLf8KvYZXKGM5cN0=
 github.com/grufwub/go-logger v0.1.1/go.mod h1:pZny1PMTpy9FAKMbaDYbPJbthl0wrSpVoIcnEjkRZaQ=
-github.com/grufwub/go-upmutex v0.0.0-20201106234426-e4de73a0e690 h1:o2aGDpfO5v3qAVlvwLzQMM549fzMPi5NaT44YVdIprk=
-github.com/grufwub/go-upmutex v0.0.0-20201106234426-e4de73a0e690/go.mod h1:Eb/BM4cKjBdmbwJ0XJ4GxIeSFCBOIWzIUx7RN/VKHNs=
 github.com/grufwub/go-upmutex v0.1.0 h1:ePACrB9VwGjBDqYfdJB8tDnnq3PNn05I4DhR0p1NT6M=
 github.com/grufwub/go-upmutex v0.1.0/go.mod h1:Eb/BM4cKjBdmbwJ0XJ4GxIeSFCBOIWzIUx7RN/VKHNs=
 github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=