Update sysprop_library API txt

Internal props are no longer stored in the txt file.

Exempt-From-Owner-Approval: cherry pick

Bug: 170693240
Test: m
Change-Id: I8d30b21a18759e35382f25a0706962cebbdeb096
Merged-In: I8d30b21a18759e35382f25a0706962cebbdeb096

healthd/api/charger_sysprop-current.txt

@@ -1,29 +0,0 @@
-props {
-  module: "android.sysprop.ChargerProperties"
-  prop {
-    api_name: "disable_init_blank"
-    scope: Internal
-    prop_name: "ro.charger.disable_init_blank"
-  }
-  prop {
-    api_name: "draw_split_offset"
-    type: Long
-    scope: Internal
-    prop_name: "ro.charger.draw_split_offset"
-  }
-  prop {
-    api_name: "draw_split_screen"
-    scope: Internal
-    prop_name: "ro.charger.draw_split_screen"
-  }
-  prop {
-    api_name: "enable_suspend"
-    scope: Internal
-    prop_name: "ro.charger.enable_suspend"
-  }
-  prop {
-    api_name: "no_ui"
-    scope: Internal
-    prop_name: "ro.charger.no_ui"
-  }
-}