remove line about array index notation

docs/api/en/materials/ShaderMaterial.html

@@ -54,9 +54,6 @@
 					<li>
 						The loop variable has to be *i*.
 					</li>
-					<li>
-						Array accesses within the loop must include spaces around the index: <b>array[ i ]</b>.
-					</li>
 					<li>
 						The value *UNROLLED_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
 					</li>

docs/api/zh/materials/ShaderMaterial.html

@@ -43,9 +43,6 @@
 					<li>
 						循环变量必须是*i*。
 					</li>
-					<li>
-						Array accesses within the loop must include spaces around the index: <b>array[ i ]</b>.
-					</li>
 					<li>
 						The value *UNROLLED_LOOP_INDEX* will be replaced with the explicity value of *i* for the given iteration and can be used in preprocessor statements.
 					</li>