doc: Remove Notes in documentation scheduled for deletion in version 9.1.

* scripts/general/cart2pol.m, scripts/general/cart2sph.m,
scripts/general/pol2cart.m, scripts/general/sph2cart.m:
Remove Note in documentation about return form of argument for Matlab
compatibility which was made in Octave 7.1.

Author: Rik

scripts/general/cart2pol.m

@@ -65,9 +65,6 @@
 ##
 ## @end ifnottex
 ##
-## @c FIXME: Remove this note in Octave 9.1 (two releases after 7.1).
-## Note: For @sc{matlab} compatibility, this function no longer returns a full
-## coordinate matrix when called with a single return argument.
 ## @seealso{pol2cart, cart2sph, sph2cart}
 ## @end deftypefn
 

scripts/general/cart2sph.m

@@ -61,9 +61,6 @@
 ##
 ## @end ifnottex
 ##
-## @c FIXME: Remove this note in Octave 9.1 (two releases after 7.1).
-## Note: For @sc{matlab} compatibility, this function no longer returns a full
-## coordinate matrix when called with a single return argument.
 ## @seealso{sph2cart, cart2pol, pol2cart}
 ## @end deftypefn
 

scripts/general/pol2cart.m

@@ -63,9 +63,7 @@
 ## @end example
 ##
 ## @end ifnottex
-## @c FIXME: Remove this note in Octave 9.1 (two releases after 7.1).
-## Note: For @sc{matlab} compatibility, this function no longer returns a full
-## coordinate matrix when called with a single return argument.
+##
 ## @seealso{cart2pol, sph2cart, cart2sph}
 ## @end deftypefn
 

scripts/general/sph2cart.m

@@ -61,9 +61,7 @@
 ## @end example
 ##
 ## @end ifnottex
-## @c FIXME: Remove this note in Octave 9.1 (two releases after 7.1).
-## Note: For @sc{matlab} compatibility, this function no longer returns a full
-## coordinate matrix when called with a single return argument.
+##
 ## @seealso{cart2sph, pol2cart, cart2pol}
 ## @end deftypefn