config(amazonq): remove .acds file extension from abap language (#7356)

Team decides to remove .acds and only allow .abap as the file extension of abap language

Author: Will-ShaoHua

packages/core/src/codewhisperer/util/runtimeLanguageContext.ts

@@ -153,7 +153,6 @@ export class RuntimeLanguageContext {
             psm1: 'powershell',
             r: 'r',
             abap: 'abap',
-            acds: 'abap',
         })
         this.languageSingleLineCommentPrefixMap = createConstantMap<CodewhispererLanguage, string>({
             c: '// ',