Remove non-existent types

Summary:
`I08` and `UTF7` are not valid Thrift types. Not used and not needed.

https://internalfb.com/intern/staticdocs/thrift/docs/idl/#primitive-types

Reviewed By: podtserkovskiy

Differential Revision: D63548836

fbshipit-source-id: 3a3ff9ef1591c9b4dfe6afd4621710770e8c2323

thrift/lib/go/thrift/alias.go

@@ -98,13 +98,11 @@ var STOP Type = types.STOP
 var VOID Type = types.VOID
 var BOOL Type = types.BOOL
 var BYTE Type = types.BYTE
-var I08 Type = types.I08
 var DOUBLE Type = types.DOUBLE
 var I16 Type = types.I16
 var I32 Type = types.I32
 var I64 Type = types.I64
 var STRING Type = types.STRING
-var UTF7 Type = types.UTF7
 var STRUCT Type = types.STRUCT
 var MAP Type = types.MAP
 var SET Type = types.SET

thrift/lib/go/thrift/types/type.go

@@ -24,13 +24,11 @@ const (
 	VOID   = 1
 	BOOL   = 2
 	BYTE   = 3
-	I08    = 3
 	DOUBLE = 4
 	I16    = 6
 	I32    = 8
 	I64    = 10
 	STRING = 11
-	UTF7   = 11
 	STRUCT = 12
 	MAP    = 13
 	SET    = 14