remove some redundant imports of GF.Text.UTF8

src/GF/Command/Interpreter.hs

@@ -17,7 +17,6 @@ import GF.System.Signal
 import GF.Infra.UseIO
 
 import GF.Data.ErrM ----
-import GF.Text.UTF8
 
 import qualified Data.Map as Map
 

src/GF/Compile/Export.hs

@@ -17,7 +17,6 @@ import GF.Speech.SRG
 import GF.Speech.VoiceXML
 import GF.Speech.SLF
 import GF.Speech.PrRegExp
-import GF.Text.UTF8
 
 import Data.Maybe
 import System.FilePath

src/GF/Compile/GrammarToGFCC.hs

@@ -23,7 +23,6 @@ import qualified GF.Infra.Option as O
 import GF.Infra.Ident
 import GF.Infra.Option
 import GF.Data.Operations
-import GF.Text.UTF8
 
 import Data.List
 import Data.Char (isDigit,isSpace)

src/GF/Compile/PGFPretty.hs

@@ -7,7 +7,6 @@ import PGF.Data
 import PGF.Macros
 
 import GF.Data.Operations
-import GF.Text.UTF8
 
 import Data.Map (Map)
 import qualified Data.Map as Map

src/PGF.hs

@@ -70,7 +70,6 @@ import PGF.Binary
 import PGF.Parsing.FCFG
 import qualified PGF.Parsing.FCFG.Incremental as Incremental
 import qualified GF.Compile.GeneratePMCFG as PMCFG
-import GF.Text.UTF8
 
 import GF.Data.ErrM
 import GF.Data.Utilities (replace)

src/PGF/Data.hs

@@ -3,7 +3,6 @@ module PGF.Data (module PGF.Data, module PGF.Expr, module PGF.Type) where
 import PGF.CId
 import PGF.Expr hiding (Value, Env)
 import PGF.Type
-import GF.Text.UTF8
 
 import qualified Data.Map as Map
 import qualified Data.Set as Set