dep types: Clear out *.web.js.flow files, which we don't need

As suggested by Greg at
  zulip#5449 (comment)

Author: chrisbobbe

tools/tsflower

@@ -184,6 +184,10 @@ run_only()
     #   Also perhaps give TsFlower a way to tell it things to skip.
     rm -rf "${rootdir}"/types/"${package}"/lib/typescript/example/
     format_dir "${rootdir}"/types/"${package}"
+
+    # Remove all *.web.js.flow files. We don't use RN for the web.
+    # TODO(tsflower): When tsflower supports skipping files, simplify away.
+    rm -f "${rootdir}"/types/**/*.web.js.flow
 }
 
 apply_patches()

types/expo-application/build/ExpoApplication.web.js.flow

@@ -7,41 +7,10 @@ As we did for expo-application; see that recent patch for why we
 can't just convert these to Flow enums. That'd be so satisfying, if
 it worked.
 ---
- .../build/ExpoScreenOrientation.web.js.flow   |  16 +-
  .../build/ScreenOrientation.js.flow           |  12 +-
  .../build/ScreenOrientation.types.js.flow     | 207 +++++++++---------
- 3 files changed, 120 insertions(+), 115 deletions(-)
+ 2 files changed, 110 insertions(+), 109 deletions(-)
 
-diff --git types/expo-screen-orientation/build/ExpoScreenOrientation.web.js.flow types/expo-screen-orientation/build/ExpoScreenOrientation.web.js.flow
-index 9c7d27be2..fb74c5373 100644
---- types/expo-screen-orientation/build/ExpoScreenOrientation.web.js.flow
-+++ types/expo-screen-orientation/build/ExpoScreenOrientation.web.js.flow
-@@ -1,15 +1,19 @@
- /* @flow
-  * @generated by TsFlower
-  */
--import { Orientation, OrientationLock, WebOrientationLock } from './ScreenOrientation.types';
-+import type {
-+  OrientationT,
-+  OrientationLockT,
-+  WebOrientationLockT,
-+} from './ScreenOrientation.types';
- 
- declare var _default: {
-   +name: string,
--  supportsOrientationLockAsync(orientationLock: OrientationLock): Promise<boolean>,
--  getPlatformOrientationLockAsync(): Promise<WebOrientationLock>,
--  getOrientationAsync(): Promise<Orientation>,
--  lockAsync(orientationLock: OrientationLock): Promise<void>,
--  lockPlatformAsync(webOrientationLock: WebOrientationLock): Promise<void>,
-+  supportsOrientationLockAsync(orientationLock: OrientationLockT): Promise<boolean>,
-+  getPlatformOrientationLockAsync(): Promise<WebOrientationLockT>,
-+  getOrientationAsync(): Promise<OrientationT>,
-+  lockAsync(orientationLock: OrientationLockT): Promise<void>,
-+  lockPlatformAsync(webOrientationLock: WebOrientationLockT): Promise<void>,
-   unlockAsync(): Promise<void>,
-   ...
- };
 diff --git types/expo-screen-orientation/build/ScreenOrientation.js.flow types/expo-screen-orientation/build/ScreenOrientation.js.flow
 index a714391d8..487278d38 100644
 --- types/expo-screen-orientation/build/ScreenOrientation.js.flow