Fix Berksfile and Gemfile lock scopes

This commit uses plain text base scope
as both file types are unrelated with YAML.

Author: deathaxe

icons/icons.json

@@ -1858,13 +1858,13 @@
 	"file_type_lock": {
 		"aliases": [
 			{
-				"base": "source.yaml",
+				"base": "text.plain",
 				"extensions": [
 					"Gemfile.lock",
 					"Berksfile.lock"
 				],
-				"name": "YAML (Lock)",
-				"scope": "source.yaml.lock"
+				"name": "Text Plain (Lock)",
+				"scope": "text.plain.lock"
 			}
 		],
 		"color": "red"

preferences/file_type_lock.tmPreferences

@@ -2,7 +2,7 @@
 <plist version="1.0">
 	<dict>
 		<key>scope</key>
-		<string>source.yaml.lock</string>
+		<string>text.plain.lock</string>
 		<key>settings</key>
 		<dict>
 			<key>icon</key>