Simplify autorange pipeline for inside ticklabels

src/plots/cartesian/autorange.js

@@ -223,14 +223,10 @@ function makePadFn(fullLayout, ax, max) {
         if(axReverse) max = !max;
     }
 
-    var A = 0;
-    var B = 0;
+    var zero = 0;
     if(!isLinked(fullLayout, ax._id)) {
-        A = padInsideLabelsOnAnchorAxis(ax, max);
-        B = padInsideLabelsOnThisAxis(ax, max);
+        zero = padInsideLabelsOnAnchorAxis(ax, max);
     }
-
-    var zero = Math.max(A, B);
     extrappad = Math.max(zero, extrappad);
 
     // domain-constrained axes: base extrappad on the unconstrained
@@ -248,41 +244,6 @@ function makePadFn(fullLayout, ax, max) {
 
 var TEXTPAD = 3;
 
-function padInsideLabelsOnThisAxis(ax, max) {
-    var ticklabelposition = ax.ticklabelposition || '';
-    var has = function(str) {
-        return ticklabelposition.indexOf(str) !== -1;
-    };
-
-    if(!has('inside')) return 0;
-    var isTop = has('top');
-    var isLeft = has('left');
-    var isRight = has('right');
-    var isBottom = has('bottom');
-    var isAligned = isBottom || isLeft || isTop || isRight;
-
-    if(
-        (max && (isLeft || isBottom)) ||
-        (!max && (isRight || isTop))
-    ) {
-        return 0;
-    }
-
-    // increase padding to make more room for inside tick labels of the axis
-    var fontSize = ax.tickfont ? ax.tickfont.size : 12;
-    var isX = ax._id.charAt(0) === 'x';
-    var pad = (isX ? 1.2 : 0.6) * fontSize;
-
-    if(isAligned) {
-        pad *= 2;
-        pad += (ax.tickwidth || 0) / 2;
-    }
-
-    pad += TEXTPAD;
-
-    return pad;
-}
-
 function padInsideLabelsOnAnchorAxis(ax, max) {
     var pad = 0;
     var anchorAxis = ax._anchorAxis || {};