updated updated date

Author: iislucas

rfcs/20210731-tfjs-named-tensors.md

@@ -5,7 +5,7 @@
 | **RFC #**     | [395](https://github.com/tensorflow/community/pull/395) |
 | **Author(s)** | Lucas Dixon ([email protected]) |
 | **Sponsor**   | Ping Yu ([email protected])       |
-| **Updated**   | 2021-07-31                      |
+| **Updated**   | 2021-08-12                      |
 
 ## Objective
 

rfcs/20210731-tfjs-named-tensors/gtensor.ts

@@ -185,19 +185,6 @@ export class Dimension<G extends DName, D extends G> implements DimensionData<G,
     return this.gtensor.tensor.dtype;
   }
 
-  get isFirstDim(): boolean {
-    return (this.index === 0);
-  }
-  get isSecondDim(): boolean {
-    return (this.index === 1);
-  }
-  get isLastDim(): boolean {
-    return (this.index === this.gtensor.tensor.shape.length);
-  }
-  get isSecondLastDim(): boolean {
-    return (this.index === this.gtensor.tensor.shape.length);
-  }
-
   _dot<D2 extends G2, G2 extends DName>(
     d2: DotCompatibleDimension<G,D,G2,D2>
   ): GTensor<Exclude<G | G2, D>> {