Global: support hiding other texts when printing percentage values

src/data/config_user.txt

@@ -259,7 +259,7 @@
 # Percentage output type option
 # Applies to all modules that prints percentage values. Currently memory, swap, disk, battery and CPU usage are supported.
 # Only works with default format ( without --module-format option ).
-# 0: prints none; 1: prints percent number only; 2: prints bar only; 3: prints both percent number and bar
+# 0: prints none; 1: prints percent number only; 2: prints bar only; 3: prints both percent number and bar; 6: prints bar and hide other texts
 #--percent-type 1
 
 # Key options:

src/data/help.txt

@@ -125,7 +125,7 @@ Module specific options:
     --weather-output-format:        The output weather format to be used. It must be URI encoded.
     --player-name:                  The name of the player to use
     --gl <value>:                   Set the OpenGL context creation library to use. Must be auto, egl, glx or osmesa. Default is auto
-    --percent-type <value>:         Set the percentage output type. 1 for percentage number, 2 for bar, 3 for both. Default is 1
+    --percent-type <value>:         Set the percentage output type. 1 for percentage number, 2 for bar, 3 for both, 6 for bar only. Default is 1
 
 Parsing is not case sensitive. E.g. "--lib-PCI" is equal to "--Lib-Pci"
 If a value starts with a ?, it is optional. "true" will be used if not set.