Remove terminal.integrated.experimentalBufferImpl

Part of #63688

src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts

@@ -380,12 +380,6 @@ configurationRegistry.registerConfiguration({
 			type: 'boolean',
 			default: true
 		},
-		'terminal.integrated.experimentalBufferImpl': {
-			description: nls.localize('terminal.integrated.experimentalBufferImpl', "Controls the terminal's internal buffer implementation. This setting is picked up on terminal creation and will not apply to existing terminals."),
-			type: 'string',
-			enum: ['JsArray', 'TypedArray'],
-			default: 'TypedArray'
-		},
 		'terminal.integrated.splitCwd': {
 			description: nls.localize('terminal.integrated.splitCwd', "Controls the working directory a split terminal starts with."),
 			type: 'string',

src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts

@@ -312,7 +312,7 @@ export class TerminalInstance implements ITerminalInstance {
 			rendererType: config.rendererType === 'auto' ? 'canvas' : config.rendererType,
 			// TODO: Remove this once the setting is removed upstream
 			experimentalCharAtlas: 'dynamic',
-			experimentalBufferLineImpl: config.experimentalBufferImpl
+			experimentalBufferLineImpl: 'TypedArray'
 		});
 		if (this._shellLaunchConfig.initialText) {
 			this._xterm.writeln(this._shellLaunchConfig.initialText);