Applies issue PowerShell#167 part 2a, simplify regex

msftrncs · msftrncs · commit f6b5298a5c79 · 2019-04-28T00:04:46.000-05:00
diff --git a/PowerShellSyntax.tmLanguage b/PowerShellSyntax.tmLanguage
@@ -101,7 +101,7 @@
 		</dict>
 		<dict>
 			<key>begin</key>
-			<string>(?&lt;!')'</string>
+			<string>'</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>0</key>
