Remove unnecessary checks.

Author: graceful-potato

Syntaxes/Ruby.plist

@@ -647,20 +647,6 @@
 			<string>(?x)
               (?=\s*if\b|\s*unless\b)
 							(?&lt;=[}\])\w?!"'`])
-							(?&lt;!\Wif|^if|														# \WX|^X is equivalent to \bX
-										 \Wunless|^unless|										# this is workaround for code editors which doesn't support onigomo
-										 \Wcase|^case|												# https://github.com/microsoft/vscode-textmate/issues/121#issuecomment-565689295
-										 \Wwhen|^when|
-										 \Wwhile|^while|
-										 \Wuntil|^until|
-										 \Wfor|^for|
-										 \Wbegin|^begin|
-										 \Wand|^and|
-										 \Wnot|^not|
-										 \Wor|^or|
-										 \Win|^in|
-										 \W!|^!|
-										 \W\?|^\?)
 							\s*\b(if)|(unless)\b(?![?!])
 			</string>
 		</dict>
@@ -792,20 +778,6 @@
 			<string>(?x)
               (?=\s*while\b|\s*until\b)
 							(?&lt;=[}\])\w?!"'`])
-							(?&lt;!\Wif|^if|														# \WX|^X is equivalent to \bX
-										 \Wunless|^unless|										# this is workaround for code editors which doesn't support onigomo
-										 \Wcase|^case|												# https://github.com/microsoft/vscode-textmate/issues/121#issuecomment-565689295
-										 \Wwhen|^when|
-										 \Wwhile|^while|
-										 \Wuntil|^until|
-										 \Wfor|^for|
-										 \Wbegin|^begin|
-										 \Wand|^and|
-										 \Wnot|^not|
-										 \Wor|^or|
-										 \Win|^in|
-										 \W!|^!|
-										 \W\?|^\?)
 							\s*\b(while)|(until)\b(?![?!])
 			</string>
 		</dict>