Remove overrides that diverge the test configuration from the build configuration. (#9300)

Co-authored-by: Jamie Rothfeder <[email protected]>

Author: jrothfeder

tsconfig.compile.json

@@ -2,11 +2,6 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "noEmit": true, // Don't actually produce any compiled output.
-    "checkJs": true, // We want to do a pass on JS files.
     "resolveJsonModule": true, // Makes require(package.json) acceptable (added).
-    "strict": false, // Need to relax some strictness to check JS (changed).
-    "strictBindCallApply": true, // This is part of "strict: true" (added).
-    "strictFunctionTypes": true, // This is part of "strict: true" (added).
-    "noImplicitThis": true, // This is part of "strict: true" (added).
   }
 }