redundant translations removed

Author: Attila Cseh

invokeai/frontend/web/public/locales/en.json

@@ -2089,9 +2089,6 @@
         "referenceImageEmptyState": "<UploadButton>Upload an image</UploadButton> or drag an image from the gallery onto this Reference Image to get started.",
         "imageNoise": "Image Noise",
         "denoiseLimit": "Denoise Limit",
-        "toolWidthSelector": "Tool Width Selector",
-        "toolWidthSelectorDropDown": "Drop-down",
-        "toolWidthSelectorSlider": "Slider",
         "warnings": {
             "problemsFound": "Problems found",
             "unsupportedModel": "layer not supported for selected base model",