move msgs.log to nimsuggest (#903)

Move the `log` procedure, which is only intended for use by the
`nimsuggest` tool, from the `msgs` module to `nimsuggest`.

---------

Co-authored-by: zerbina <100542850+zerbina@users.noreply.github.com>

compiler/front/msgs.nim

@@ -272,12 +272,6 @@ proc msgWrite*(conf: ConfigRef; s: string, flags: MsgFlags = {}) =
       when defined(windows):
         flushFile(stderr)
 
-proc log*(s: string) =
-  var f: File
-  if open(f, getHomeDir() / "nimsuggest.log", fmAppend):
-    f.writeLine(s)
-    close(f)
-
 proc quit(conf: ConfigRef; withTrace: bool) {.gcsafe.} =
   if conf.isDefined("nimDebug"):
     quitOrRaise(conf)

nimsuggest/nimsuggest.nim

@@ -114,6 +114,14 @@ proc writelnToChannel(line: string) =
 proc sugResultHook(s: Suggest) =
   results.send(s)
 
+proc log(s: string) =
+  ## Appends `s` as new line to the `nimsuggest.log` file in the user's home
+  ## directory. 
+  var f: File
+  if open(f, getHomeDir() / "nimsuggest.log", fmAppend):
+    f.writeLine(s)
+    close(f)
+
 proc myLog(conf: ConfigRef, s: string, flags: MsgFlags = {}) =
   if gLogging:
     log(s)