remove tailing whitespace

.config/i3status-rust/config.toml

@@ -11,7 +11,7 @@ ap_format = "({ssid}/{strength})"
 block = "disk_space"
 path = "/"
 alias = "/"
-format= "{icon} {percentage}" 
+format= "{icon} {percentage}"
 info_type = "used"
 unit = "GB"
 interval = 20
@@ -21,7 +21,7 @@ alert = 95.0
 [[block]]
 block = "memory"
 display_type = "memory"
-format_mem = "{mem_total_used_percents}" 
+format_mem = "{mem_total_used_percents}"
 on_click = "xterm -e htop"
 
 [[block]]
@@ -39,7 +39,7 @@ on_click = "xterm -e htop"
 block = "temperature"
 collapsed = false
 interval = 2
-warning = 90 
+warning = 90
 info = 80
 good = 50
 on_click = "xterm -e watch -n 2 sensors"