Remove retryCount which is no longer a part of response

Author: cklin

extensions/ql-vscode/test/unit-tests/variant-analysis/custom-errors.test.ts

@@ -156,7 +156,6 @@ function mockRequestError(status: number, body: any): RequestError {
           "Content-Type": "application/json",
         },
         data: body,
-        retryCount: 0,
       },
     },
   );

extensions/ql-vscode/test/vscode-tests/activated-extension/variant-analysis/variant-analysis-monitor.test.ts

@@ -325,7 +325,6 @@ describe("Variant Analysis Monitor", () => {
               headers: {},
               url: "",
               data: {},
-              retryCount: 0,
             },
           }),
         );

extensions/ql-vscode/test/vscode-tests/no-workspace/databases/github-databases/api.test.ts

@@ -119,7 +119,6 @@ describe("listDatabases", () => {
               headers: {},
               url: "",
               data: {},
-              retryCount: 0,
             },
           }),
         );
@@ -146,7 +145,6 @@ describe("listDatabases", () => {
               headers: {},
               url: "",
               data: {},
-              retryCount: 0,
             },
           }),
         );
@@ -195,7 +193,6 @@ describe("listDatabases", () => {
                 headers: {},
                 url: "",
                 data: {},
-                retryCount: 0,
               },
             }),
           );
@@ -229,7 +226,6 @@ describe("listDatabases", () => {
               headers: {},
               url: "",
               data: {},
-              retryCount: 0,
             },
           }),
         );
@@ -266,7 +262,6 @@ describe("listDatabases", () => {
                   headers: {},
                   url: "",
                   data: {},
-                  retryCount: 0,
                 },
               }),
             );
@@ -293,7 +288,6 @@ describe("listDatabases", () => {
                   headers: {},
                   url: "",
                   data: {},
-                  retryCount: 0,
                 },
               }),
             );