remove no longer needed noMessages

All three of these are using batch mode to drive their processing, so
there is no automatic output, and noMessages is no longer needed.

Command/ContentLocation.hs

@@ -14,7 +14,7 @@ import Annex.Content
 import Types.Key
 
 cmd :: Command
-cmd = noCommit $ noMessages $
+cmd = noCommit $ 
 	command "contentlocation" SectionPlumbing 
 		"looks up content for a key"
 		(paramRepeating paramKey)

Command/ExamineKey.hs

@@ -15,7 +15,7 @@ import Command.Find (parseFormatOption, showFormatted, keyVars)
 import Types.Key
 
 cmd :: Command
-cmd = noCommit $ noMessages $ withGlobalOptions [jsonOption] $
+cmd = noCommit $ withGlobalOptions [jsonOption] $
 	command "examinekey" SectionPlumbing 
 		"prints information from a key"
 		(paramRepeating paramKey)

Command/LookupKey.hs

@@ -14,7 +14,7 @@ import Annex.CatFile
 import Types.Key
 
 cmd :: Command
-cmd = notBareRepo $ noCommit $ noMessages $
+cmd = notBareRepo $ noCommit $
 	command "lookupkey" SectionPlumbing 
 		"looks up key used for file"
 		(paramRepeating paramFile)