remove unused prop

frontend/devices/components/fbos_settings/camera_selection.tsx

@@ -1,6 +1,5 @@
 import * as React from "react";
 import { DropDownItem, Row, Col, FBSelect } from "../../../ui/index";
-
 import {
   CameraSelectionProps, CameraSelectionState
 } from "./interfaces";
@@ -69,7 +68,6 @@ export class CameraSelection
             allowEmpty={false}
             list={CAMERA_CHOICES()}
             selectedItem={this.selectedCamera()}
-            placeholder="Select a camera..."
             onChange={this.sendOffConfig}
             extraClass={this.props.botOnline ? "" : "disabled"} />
         </div>

frontend/farmware/weed_detector/config.tsx

@@ -1,5 +1,4 @@
 import * as React from "react";
-
 import {
   BlurableInput,
   Row, Col,
@@ -69,8 +68,7 @@ export class WeedDetectorConfig extends React.Component<SettingsMenuProps, {}> {
       <FBSelect
         onChange={this.setDDI("CAMERA_CALIBRATION_calibration_along_axis")}
         selectedItem={this.find("CAMERA_CALIBRATION_calibration_along_axis")}
-        list={CALIBRATION_DROPDOWNS}
-        placeholder="Select..." />
+        list={CALIBRATION_DROPDOWNS} />
       <Row>
         <Col xs={6}>
           <this.NumberBox
@@ -89,8 +87,7 @@ export class WeedDetectorConfig extends React.Component<SettingsMenuProps, {}> {
       <FBSelect
         list={ORIGIN_DROPDOWNS}
         onChange={this.setDDI("CAMERA_CALIBRATION_image_bot_origin_location")}
-        selectedItem={this.find("CAMERA_CALIBRATION_image_bot_origin_location")}
-        placeholder="Select..." />
+        selectedItem={this.find("CAMERA_CALIBRATION_image_bot_origin_location")} />
       <Row>
         <Col xs={6}>
           <this.NumberBox

frontend/regimens/bulk_scheduler/index.tsx

@@ -45,8 +45,7 @@ export class BulkScheduler extends React.Component<BulkEditorProps, {}> {
         <label>{t("Sequence")}</label>
         <FBSelect onChange={this.onChange}
           selectedItem={this.selected()}
-          list={this.all()}
-          placeholder="Pick a sequence (or save a new one)" />
+          list={this.all()} />
       </div>
     </Col>
 

frontend/sequences/sequence_select_box.tsx

@@ -40,6 +40,5 @@ export function SequenceSelectBox(props: SequenceSelectBoxProps) {
   return <FBSelect
     onChange={props.onChange}
     selectedItem={selectedSequence()}
-    list={sequenceDropDownList()}
-    placeholder="Pick a sequence (or save a new one)" />;
+    list={sequenceDropDownList()} />;
 }

frontend/sequences/step_tiles/tile_if/then_else.tsx

@@ -1,6 +1,5 @@
 import * as React from "react";
 import { ThenElseParams, seqDropDown, IfBlockDropDownHandler } from "./index";
-
 import { Row, Col, FBSelect } from "../../../ui";
 import { LocalsList } from "../../locals_list/locals_list";
 import { AllowedVariableNodes } from "../../locals_list/locals_list_support";
@@ -21,7 +20,6 @@ export function ThenElse(props: ThenElseParams) {
         key={JSON.stringify(props.currentSequence)}
         allowEmpty={true}
         list={seqDropDown(props.resources)}
-        placeholder="Sequence..."
         onChange={onChange}
         selectedItem={selectedItem()} />
       {!!calledSequenceVariableData &&

frontend/ui/new_fb_select.tsx

@@ -12,8 +12,6 @@ export interface FBSelectProps {
   list: DropDownItem[];
   /** Allow user to select no value. */
   allowEmpty?: boolean;
-  /** Text shown before user selection. */
-  placeholder?: string | undefined;
   /** Extra class names to add. */
   extraClass?: string;
   /** Custom label for NULL_CHOICE instead of "None". */