Removed redundant try/catch.

Leaving this to phpunit to catch.

Author: JeffAlyanak

Tests/GravityTest.php

@@ -18,13 +18,7 @@ public function testGravity($gravity): void
     {
         $gravity = new Gravity($gravity);
 
-        try {
-            $validatedGravity = $gravity->validate();
-        } catch (\Exception $e) {
-            static::fail($e->getMessage());
-
-            return;
-        }
+        $validatedGravity = $gravity->validate();
 
         static::assertIsString($validatedGravity);
         static::assertNotEmpty($validatedGravity);