Squiz/LanguageConstructSpacing: removed deprecated sniff

This sniff was deprecated in PHPCS 3.3.0. Use the Generic.WhiteSpace.LanguageConstructSpacing sniff instead.

Includes removal of sniff muting from the Squiz ruleset.

Refs:
* squizlabs/PHP_CodeSniffer 1337

Fixes squizlabs/PHP_CodeSniffer 1953

Related to 6

Co-authored-by: jrfnl <jrfnl@users.noreply.github.com>

Author: gsherwood

src/Standards/Squiz/Docs/WhiteSpace/LanguageConstructSpacingStandard.xml

@@ -110,11 +110,6 @@
         <severity>0</severity>
     </rule>
 
-    <!-- Squiz.WhiteSpace.LanguageConstructSpacing is deprecated -->
-    <rule ref="Squiz.WhiteSpace.LanguageConstructSpacing">
-        <severity>0</severity>
-    </rule>
-
     <!-- Prevent fixer conflict for conflicting rules. -->
     <rule ref="Squiz.Commenting.InlineComment">
         <exclude name="Squiz.Commenting.InlineComment.SpacingAfterAtFunctionEnd"/>