[css-rhythm-1] Remove duplicate animation type fields

Author: cdoublev

css-rhythm-1/Overview.bs

@@ -180,7 +180,6 @@ Specifying the Step Size: the 'block-step-size' property {#block-step-size}
 	Initial: none
 	Applies to: block-level boxes
 	Inherited: no
-	Animatable: ???
 	Percentages: N/A
 	Computed Value: specified keyword or absolute length
 	Animation type: by computed value type
@@ -212,7 +211,6 @@ Specifying the Spacing Type: the 'block-step-insert' property {#block-step-inser
 	Initial: margin
 	Applies to: block-level boxes
 	Inherited: no
-	Animatable: no
 	Percentages: N/A
 	Computed Value: specified keyword
 	Animation type: discrete
@@ -246,7 +244,6 @@ Specifying Alignment: the 'block-step-align' property {#block-step-align}
 	Initial: auto
 	Applies to: block-level boxes
 	Inherited: no
-	Animatable: no
 	Percentages: N/A
 	Computed Value: specified keyword
 	Animation type: discrete
@@ -297,7 +294,6 @@ Rounding Method: the 'block-step-round' property {#block-step-round}
 	Initial: up
 	Applies to: block-level boxes
 	Inherited: no
-	Animatable: no
 	Percentages: N/A
 	Computed Value: specified keyword
 	Animation type: discrete
@@ -363,7 +359,6 @@ Adjusting Line Box Heights: the 'line-height-step' property {#line-height-step}
 	Initial: 0px
 	Applies to: block containers
 	Inherited: yes
-	Animatable: no
 	Percentages: N/A
 	Computed Value: absolute length
 	Animation type: by computed value type