Inline util method only used in one place

lib/kamal/configuration.rb

@@ -53,7 +53,14 @@ class Kamal::Configuration
   end
 
   def abbreviated_version
-    Kamal::Utils.abbreviate_version(version)
+    if version
+      # Don't abbreviate <sha>_uncommitted_<etc>
+      if version.include?("_")
+        version
+      else
+        version[0...7]
+      end
+    end
   end
 
   def minimum_version

lib/kamal/utils.rb

@@ -86,18 +86,6 @@ module Kamal::Utils
     value.to_s.dump[1..-2].gsub(/\\"/, "\"")
   end
 
-  # Abbreviate a git revhash for concise display
-  def abbreviate_version(version)
-    if version
-      # Don't abbreviate <sha>_uncommitted_<etc>
-      if version.include?("_")
-        version
-      else
-        version[0...7]
-      end
-    end
-  end
-
   def uncommitted_changes
     `git status --porcelain`.strip
   end