Remove unused PolyUtil.js file.

Non of the functions inside the file is used anymore.
* clipPolygon
* rectanglesToPolygons

Signed-off-by: Gökay Şatır <[email protected]>
Change-Id: I6ab17f1de1910d417db351dcd357deaf73a9288f

Author: gokaysatir

browser/.beforeprettier

@@ -111,7 +111,6 @@
 /src/geometry/Bounds.ts
 /src/geometry/LineUtil.js
 /src/geometry/Point.ts
-/src/geometry/PolyUtil.js
 /src/geometry/Transformation.ts
 /src/layer/CalcSplitPanesContext.ts
 /src/layer/Layer.js

browser/Makefile.am

@@ -371,7 +371,6 @@ COOL_JS_LST =\
 	src/layer/marker/A11yTextInput.js \
 	src/layer/LayerGroup.js \
 	src/geometry/LineUtil.js \
-	src/geometry/PolyUtil.js \
 	src/core/Handler.js \
 	src/dom/DomEvent.js \
 	src/dom/Draggable.js \