Remove deprecated functions (#2234)

* basic config file

* documentation for two funcs

* better theme; subnamespace

* A-c

* documentation for all core headers

* more documentation

* documentation for all headers (except a few classes)

* rm accidental comment on igl

* just h

* typo

* accidental delete

* fix compile issues

* add main page [ci skip]

* relative include paths

* relative include paths

* inexplicably need two more templates

* rm get_seconds_hires

* make fwn namespace private for dox

* hide internal fwn from documentation

* fix doc

* rm deprecated euler

* rm __1

tutorial/406_FastAutomaticSkinningTransformations/main.cpp

@@ -4,7 +4,7 @@
 #include <igl/forward_kinematics.h>
 #include <igl/PI.h>
 #include <igl/partition.h>
-#include <igl/mat_max.h>
+#include <igl/max.h>
 #include <igl/lbs_matrix.h>
 #include <igl/slice.h>
 #include <igl/deform_skeleton.h>
@@ -162,7 +162,7 @@ int main(int argc, char *argv[])
   // vertices corresponding to handles (those with maximum weight)
   {
     VectorXd maxW;
-    igl::mat_max(W,1,maxW,b);
+    igl::max(W,1,maxW,b);
   }
 
   // Precomputation for FAST