chore(bin): tweak x-path-* scripts

local/bin/x-path-remove

@@ -6,13 +6,6 @@
 # Set verbosity with VERBOSE=1
 VERBOSE="${VERBOSE:-0}"
 
-# Function to print usage information
-usage()
-{
-  echo "Usage: $0 <dir>"
-  exit 1
-}
-
 # Function to print messages if VERBOSE is enabled
 # $1 - message (string)
 msg()
@@ -20,29 +13,17 @@ msg()
   [[ "$VERBOSE" -eq 1 ]] && echo "$1"
 }
 
-# Function to remove a directory from PATH
-# $1 - directory to remove (string)
-remove_from_path()
-{
-  local dir=$1
+if [ "$#" -ne 1 ]; then
+  echo "Usage: $0 <dir>"
+  exit 1
+fi
 
-  if ! echo "$PATH" | grep -qE "(^|:)$dir($|:)"; then
-    msg "(?) Directory $dir is not in PATH"
-    exit 0
-  fi
+dir="$1"
 
-  export PATH=$(echo -n "$PATH" | awk -v RS=: -v ORS=: "\$0 != \"$dir\"" | sed 's/:$//')
-  msg "(!) Directory $dir has been removed from PATH"
-}
+if ! echo "$PATH" | grep -qE "(^|:)$dir($|:)"; then
+  msg "(?) Directory $dir is not in PATH"
+  exit 0
+fi
 
-# Main function
-main()
-{
-  if [ "$#" -ne 1 ]; then
-    usage
-  fi
-
-  remove_from_path "$1"
-}
-
-main "$@"
+export PATH=$(echo -n "$PATH" | awk -v RS=: -v ORS=: "\$0 != \"$dir\"" | sed 's/:$//')
+msg "(!) Directory $dir has been removed from PATH"