build: remove unneeded dependency in ts_library

`@npm//@types/browserslist` and `@npm//rxjs` are not needed in `@schematics/angular`

Author: alan-agius4

packages/schematics/angular/BUILD.bazel

@@ -77,10 +77,8 @@ ts_library(
         "//packages/angular_devkit/schematics",
         "//packages/angular_devkit/schematics/tasks",
         "//packages/schematics/angular/third_party/github.com/Microsoft/TypeScript",
-        "@npm//@types/browserslist",
         "@npm//@types/node",
         "@npm//jsonc-parser",
-        "@npm//rxjs",
     ],
 )
 
@@ -115,9 +113,7 @@ ts_library(
         "//packages/angular_devkit/schematics/tasks",
         "//packages/angular_devkit/schematics/testing",
         "//packages/schematics/angular/third_party/github.com/Microsoft/TypeScript",
-        "@npm//@types/browserslist",
         "@npm//jsonc-parser",
-        "@npm//rxjs",
     ],
     # @external_end
 )