Removes unused IsFloatingPoint function from utilities.cpp

Author:    Shannon Woods

git-svn-id: http://angleproject.googlecode.com/svn/trunk@411 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/utilities.cpp b/src/libGLESv2/utilities.cpp
index 43126b6..d85d090 100644
--- a/src/libGLESv2/utilities.cpp
+++ b/src/libGLESv2/utilities.cpp
@@ -226,18 +226,6 @@
     }
 }
 
-bool IsFloatingPoint(GLenum type)
-{
-    if (type == GL_FLOAT || type == GL_HALF_FLOAT_OES)
-    {
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-}
-
 // Returns the size, in bytes, of a single texel in an Image
 int ComputePixelSize(GLenum format, GLenum type)
 {