Remove Split-button functionality

Author: sidhsharma1992

COVERAGE.md

@@ -15,7 +15,7 @@ We currently cover the following components:
         -   [X] CompoundButton
         -   [x] MenuButton
         -   [X] MenuItem
-        -   [x] SplitButton
+        -   [] SplitButton
         -   [x] ToggleButton
         -   [] ToolbarToggleButton
     -   [x] Card

docs/rules/split-button-needs-labelling.md

@@ -52,7 +52,6 @@ module.exports = {
                 "@microsoft/fluentui-jsx-a11y/spin-button-needs-labelling": "error",
                 "@microsoft/fluentui-jsx-a11y/spin-button-unrecommended-labelling": "error",
                 "@microsoft/fluentui-jsx-a11y/spinner-needs-labelling": "error",
-                "@microsoft/fluentui-jsx-a11y/split-button-needs-labelling": "error",
                 "@microsoft/fluentui-jsx-a11y/swatchpicker-needs-labelling": "error",
                 "@microsoft/fluentui-jsx-a11y/switch-needs-labelling": "error",
                 "@microsoft/fluentui-jsx-a11y/tablist-and-tabs-need-labelling": "error",
@@ -99,7 +98,6 @@ module.exports = {
         "spin-button-needs-labelling": rules.spinButtonNeedsLabelling,
         "spin-button-unrecommended-labelling": rules.spinButtonUnrecommendedLabelling,
         "spinner-needs-labelling": rules.spinnerNeedsLabelling,
-        "split-button-needs-labelling": rules.splitButtonNeedsLabelling,
         "swatchpicker-needs-labelling": rules.swatchpickerNeedsLabelling,
         "switch-needs-labelling": rules.switchNeedsLabelling,
         "tablist-and-tabs-need-labelling": rules.tablistAndTabsNeedLabelling,

lib/index.ts

@@ -36,7 +36,6 @@ export { default as imageSwatchNeedsLabelling } from "./imageswatch-needs-labell
 export { default as spinButtonNeedsLabelling } from "./spin-button-needs-labelling";
 export { default as spinButtonUnrecommendedLabelling } from "./spin-button-unrecommended-labelling";
 export { default as spinnerNeedsLabelling } from "./spinner-needs-labelling";
-export { default as splitButtonNeedsLabelling } from "./buttons/split-button-needs-labelling";
 export { default as swatchpickerNeedsLabelling } from "./swatchpicker-needs-labelling";
 export { default as switchNeedsLabelling } from "./switch-needs-labelling";
 export { default as tablistAndTabsNeedLabelling } from "./tablist-and-tabs-need-labelling";