test: remove duplicate tests

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

---
type: pre_push_report
description: Results of running various checks prior to pushing changes.
report:
  - task: run_javascript_examples
    status: na
  - task: run_c_examples
    status: na
  - task: run_cpp_examples
    status: na
  - task: run_javascript_readme_examples
    status: na
  - task: run_c_benchmarks
    status: na
  - task: run_cpp_benchmarks
    status: na
  - task: run_fortran_benchmarks
    status: na
  - task: run_javascript_benchmarks
    status: na
  - task: run_julia_benchmarks
    status: na
  - task: run_python_benchmarks
    status: na
  - task: run_r_benchmarks
    status: na
  - task: run_javascript_tests
    status: passed
---

Author: aman-095

lib/node_modules/@stdlib/blas/base/zscal/test/test.ndarray.js

@@ -247,50 +247,6 @@ tape( 'the function supports a `zx` offset', function test( t ) {
 	t.end();
 });
 
-tape( 'the function supports a negative `zx` stride', function test( t ) {
-	var expected;
-	var viewX;
-	var za;
-	var zx;
-
-	zx = new Complex128Array([
-		0.1,  // 3
-		0.1,  // 3
-		3.0,
-		6.0,
-		-0.6, // 2
-		0.1,  // 2
-		4.0,
-		7.0,
-		0.1,  // 1
-		-0.3, // 1
-		7.0,
-		2.0
-	]);
-	za = new Complex128( 0.4, -0.7 );
-
-	zscal( 3, za, zx, -2, 4 );
-
-	viewX = new Float64Array( zx.buffer );
-	expected = new Float64Array([
-		0.11,  // 3
-		-0.03, // 3
-		3.0,
-		6.0,
-		-0.17, // 2
-		0.46,  // 2
-		4.0,
-		7.0,
-		-0.17, // 1
-		-0.19, // 1
-		7.0,
-		2.0
-	]);
-
-	isApprox( t, viewX, expected, 5.0 );
-	t.end();
-});
-
 tape( 'the function returns a reference to the input array', function test( t ) {
 	var out;
 	var za;