Rename shellIntegration API readData -> read

Part of microsoft#145234

Author: Tyriar

src/vs/workbench/api/common/extHostTerminalShellIntegration.ts

@@ -238,7 +238,7 @@ class InternalTerminalShellExecution {
 			get cwd(): URI | undefined {
 				return that.cwd;
 			},
-			readData(): AsyncIterable<string> {
+			read(): AsyncIterable<string> {
 				return that._createDataStream();
 			}
 		};

src/vscode-dts/vscode.proposed.terminalShellIntegration.d.ts

@@ -57,8 +57,7 @@ declare module 'vscode' {
 		 *   console.log(data);
 		 * }
 		 */
-		// TODO: read? "data" typically means Uint8Array. What's the encoding of the string? Usage here will typically be checking for substrings
-		readData(): AsyncIterable<string>;
+		read(): AsyncIterable<string>;
 	}
 
 	export interface Terminal {