chore(phpunit): remove obsolete prop

adhocore · adhocore · commit 15e203ddaa02 · 2019-12-13T18:49:53.000+07:00
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
@@ -8,7 +8,6 @@
   convertWarningsToExceptions="true"
   processIsolation="false"
   stopOnFailure="false"
-  syntaxCheck="false"
   bootstrap="tests/bootstrap.php"
 >
   <testsuites>

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,6 @@`
`8`	`8`	`convertWarningsToExceptions="true"`
`9`	`9`	`processIsolation="false"`
`10`	`10`	`stopOnFailure="false"`
`11`		`- syntaxCheck="false"`
`12`	`11`	`bootstrap="tests/bootstrap.php"`
`13`	`12`	`>`
`14`	`13`	`<testsuites>`