PR feedback: simplify DOTNET_CLI_UI_LANGUAGE env var usage

Author: MrLuje

src/FSharpLint.Client/FSharpLintToolLocator.fs

@@ -59,11 +59,7 @@ let private startProcess (ps: ProcessStartInfo) : Result<Process, ProcessStartEr
 let private runToolListCmd (Folder workingDir: Folder) (globalFlag: bool) : Result<string list, DotNetToolListError> =
     let ps = ProcessStartInfo("dotnet")
     ps.WorkingDirectory <- workingDir
-
-    if ps.EnvironmentVariables.ContainsKey "DOTNET_CLI_UI_LANGUAGE" then
-        ps.EnvironmentVariables.["DOTNET_CLI_UI_LANGUAGE"] <- "en-us"
-    else
-        ps.EnvironmentVariables.Add("DOTNET_CLI_UI_LANGUAGE", "en-us")
+    ps.EnvironmentVariables.["DOTNET_CLI_UI_LANGUAGE"] <- "en-us" //ensure we have predictible output for parsing
 
     let toolArguments = 
         Option.ofObj (Environment.GetEnvironmentVariable "FSHARPLINT_SEARCH_PATH_OVERRIDE")