Remove trailing whitespace from font family names

Fixes #1903

ofl/padauk/METADATA.pb

@@ -9,7 +9,7 @@ fonts {
   weight: 400
   filename: "Padauk-Regular.ttf"
   post_script_name: "Padauk-Regular"
-  full_name: ""
+  full_name: "Padauk Regular"
   copyright: "Copyright SIL International, all rights reserved"
 }
 fonts {
@@ -18,7 +18,7 @@ fonts {
   weight: 700
   filename: "Padauk-Bold.ttf"
   post_script_name: "Padauk-Bold"
-  full_name: " "
+  full_name: "Padauk Bold"
   copyright: "Copyright SIL International, all rights reserved"
 }
 subsets: "latin"

ofl/pompiere/METADATA.pb

@@ -9,7 +9,7 @@ fonts {
   weight: 400
   filename: "Pompiere-Regular.ttf"
   post_script_name: "Pompiere-Regular"
-  full_name: "Pompiere "
+  full_name: "Pompiere"
   copyright: "Copyright (c) 2011, Sorkin Type Co (www.sorkintype.com eben@eyebytes.com) with Reserved Font Name \"Pompiere\"."
 }
 subsets: "menu"

ofl/sueellenfrancisco/METADATA.pb

@@ -7,9 +7,9 @@ fonts {
   name: "Sue Ellen Francisco"
   style: "normal"
   weight: 400
-  filename: "SueEllenFrancisco.ttf"
+  filename: "SueEllenFrancisco-Regular.ttf"
   post_script_name: "SueEllenFrancisco"
-  full_name: "Sue Ellen Francisco "
+  full_name: "Sue Ellen Francisco"
   copyright: "Copyright (c) 2010, Kimberly Geswein (kimberlygeswein.com kimberlygeswein@gmail.com)"
 }
 subsets: "menu"

ofl/vidaloka/METADATA.pb

@@ -9,7 +9,7 @@ fonts {
   weight: 400
   filename: "Vidaloka-Regular.ttf"
   post_script_name: "Vidaloka-Regular"
-  full_name: "Vidaloka "
+  full_name: "Vidaloka"
   copyright: "Copyright (c) 2011, Cyreal (www.cyreal.org a@cyreal.org) with Reserved Font Name \"Vidaloka\"."
 }
 subsets: "menu"