Remove previous button from dataloader wizard on configure step

ui/src/onboarding/components/OnboardingButtons.tsx

@@ -74,7 +74,7 @@ class OnboardingButtons extends PureComponent<Props> {
   private get backButton(): JSX.Element {
     const {backButtonText, onClickBack} = this.props
 
-    if (!backButtonText || !onClickBack) {
+    if (!onClickBack || !backButtonText) {
       return
     }
 

ui/src/onboarding/components/configureStep/ConfigureDataSourceSwitcher.tsx

@@ -77,22 +77,13 @@ class ConfigureDataSourceSwitcher extends PureComponent<Props> {
       case DataLoaderType.LineProtocol:
         return (
           <div className="onboarding-step">
-            <LineProtocol
-              bucket={bucket}
-              org={org}
-              onClickNext={onClickNext}
-              onClickBack={onClickPrevious}
-            />
+            <LineProtocol bucket={bucket} org={org} onClickNext={onClickNext} />
           </div>
         )
       case DataLoaderType.Scraping:
         return (
           <div className="onboarding-step">
-            <Scraping
-              onClickNext={onClickNext}
-              onClickBack={onClickPrevious}
-              buckets={buckets}
-            />
+            <Scraping onClickNext={onClickNext} buckets={buckets} />
           </div>
         )
       case DataLoaderType.CSV:

ui/src/onboarding/components/configureStep/Scraping.tsx

@@ -22,7 +22,6 @@ import {AppState} from 'src/types/v2/index'
 
 interface OwnProps {
   onClickNext: () => void
-  onClickBack: () => void
   buckets: Bucket[]
 }
 
@@ -56,7 +55,7 @@ export class Scraping extends PureComponent<Props> {
   }
 
   public render() {
-    const {scraperBucket, onClickBack, onSetScraperTargetURL, url} = this.props
+    const {scraperBucket, onSetScraperTargetURL, url} = this.props
 
     return (
       <Form onSubmit={this.handleSubmit}>
@@ -79,7 +78,6 @@ export class Scraping extends PureComponent<Props> {
           </FancyScrollbar>
         </div>
         <OnboardingButtons
-          onClickBack={onClickBack}
           autoFocusNext={false}
           nextButtonStatus={this.nextButtonStatus}
           nextButtonText={'Finish'}

ui/src/onboarding/components/configureStep/lineProtocol/LineProtocol.test.tsx

@@ -11,7 +11,6 @@ const setup = (override = {}) => {
     bucket: 'a',
     org: 'a',
     onClickNext: jest.fn(),
-    onClickBack: jest.fn(),
     lineProtocolBody: '',
     precision: WritePrecision.Ns,
     setLPStatus: jest.fn(),

ui/src/onboarding/components/configureStep/lineProtocol/LineProtocol.tsx

@@ -29,7 +29,6 @@ interface OwnProps {
   bucket: string
   org: string
   onClickNext: () => void
-  onClickBack: () => void
 }
 
 interface StateProps {
@@ -65,10 +64,7 @@ export class LineProtocol extends PureComponent<Props> {
             </div>
           </FancyScrollbar>
         </div>
-        <OnboardingButtons
-          onClickBack={this.props.onClickBack}
-          autoFocusNext={true}
-        />
+        <OnboardingButtons autoFocusNext={true} />
       </Form>
     )
   }

ui/src/onboarding/components/configureStep/lineProtocol/__snapshots__/LineProtocol.test.tsx.snap

@@ -46,7 +46,6 @@ exports[`LineProtocol rendering renders! 1`] = `
     backButtonText="Previous"
     nextButtonStatus="default"
     nextButtonText="Continue"
-    onClickBack={[MockFunction]}
     showSkip={false}
     skipButtonText="Skip"
   />

ui/src/onboarding/components/selectionStep/SelectDataSourceStep.tsx

@@ -65,7 +65,6 @@ export class SelectDataSourceStep extends PureComponent<Props> {
             </FancyScrollbar>
           </div>
           <OnboardingButtons
-            onClickBack={this.handleClickBack}
             autoFocusNext={true}
             nextButtonStatus={this.nextButtonStatus}
           />
@@ -154,17 +153,6 @@ export class SelectDataSourceStep extends PureComponent<Props> {
     this.props.onIncrementCurrentStepIndex()
   }
 
-  private handleClickBack = () => {
-    const {currentStepIndex, onSetSubstepIndex} = this.props
-
-    if (this.isStreaming) {
-      onSetSubstepIndex(+currentStepIndex, 0)
-      return
-    }
-
-    this.props.onDecrementCurrentStepIndex()
-  }
-
   private handleSelectDataLoaderType = async (type: DataLoaderType) => {
     await this.props.onSetDataLoadersType(type)
     this.handleClickNext()