Revert "Merge pull request #5736 from gaearon/document-svg-passthrough"

This reverts commit 713401f2eb4b892f872ec61b15fdb597c4eeaae6, reversing
changes made to 53dabe748c6817cbb7b43f975e24b61331011077.

docs/ref-04-tags-and-attributes.md

@@ -86,6 +86,13 @@ There is also the React-specific attribute `dangerouslySetInnerHTML` ([more here
 
 ### SVG Attributes
 
-Any attributes passed to SVG tags are passed through without changes.
-
-React used to support special camelCase aliases for certain SVG attributes, such as `clipPath`. If you use them now you'll see a deprecation warning. These aliases will be removed in the next version in favor of their real names from the SVG specification, such as `clip-path`. Attributes that have a camelCase name in the spec, such as `gradientTransform`, will keep their names.
+```
+clipPath cx cy d dx dy fill fillOpacity fontFamily
+fontSize fx fy gradientTransform gradientUnits markerEnd
+markerMid markerStart offset opacity patternContentUnits
+patternUnits points preserveAspectRatio r rx ry spreadMethod
+stopColor stopOpacity stroke  strokeDasharray strokeLinecap
+strokeOpacity strokeWidth textAnchor transform version
+viewBox x1 x2 x xlinkActuate xlinkArcrole xlinkHref xlinkRole
+xlinkShow xlinkTitle xlinkType xmlBase xmlLang xmlSpace y1 y2 y
+```