Revert "Fix url detector intent detection logic (#6687)" (#6737)

Task/Issue URL:
https://app.asana.com/1/137249556945/project/488551667048375/task/1211244094852883?focus=true

### Description

- Reverts #6687

### Steps to test this PR

- [x] Go to https://www.tiktok.com/@jackuk02/video/7535539219154980118
- [x] Verify that the link loads correctly (does not loop)

Author: joshliebe

app/src/main/java/com/duckduckgo/app/browser/SpecialUrlDetector.kt

@@ -195,10 +195,6 @@ class SpecialUrlDetectorImpl(
     private fun buildIntent(uriString: String, intentFlags: Int): UrlType {
         return try {
             val intent = Intent.parseUri(uriString, intentFlags)
-            // only proceed if something can handle it
-            if (intent == null || packageManager.resolveActivity(intent, 0) == null) {
-                return UrlType.Unknown(uriString)
-            }
 
             if (externalAppIntentFlagsFeature.self().isEnabled()) {
                 intent.addCategory(Intent.CATEGORY_BROWSABLE)

app/src/test/java/com/duckduckgo/app/browser/SpecialUrlDetectorImplTest.kt

@@ -293,26 +293,15 @@ class SpecialUrlDetectorImplTest {
     @Test
     fun whenUrlIsCustomUriSchemeThenNonHttpAppLinkTypeDetectedWithAdditionalIntentFlags() {
         externalAppIntentFlagsFeature.self().setRawStoredState(State(true))
-        whenever(mockPackageManager.resolveActivity(any(), anyInt())).thenReturn(ResolveInfo())
         val type = testee.determineType("myapp:foo bar") as NonHttpAppLink
         assertEquals("myapp:foo bar", type.uriString)
         assertEquals(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP, type.intent.flags)
         assertEquals(Intent.CATEGORY_BROWSABLE, type.intent.categories.first())
     }
 
-    @Test
-    fun whenUrlIsCustomUriSchemeAndNoResolveInfoThenUnknownTypeDetected() {
-        externalAppIntentFlagsFeature.self().setRawStoredState(State(true))
-        whenever(mockPackageManager.resolveActivity(any(), anyInt())).thenReturn(null)
-        val expected = Unknown::class
-        val actual = testee.determineType("myapp:foo bar")
-        assertEquals(expected, actual::class)
-    }
-
     @Test
     fun whenUrlIsCustomUriSchemeThenNonHttpAppLinkTypeDetectedWithoutAdditionalIntentFlags() {
         externalAppIntentFlagsFeature.self().setRawStoredState(State(false))
-        whenever(mockPackageManager.resolveActivity(any(), anyInt())).thenReturn(ResolveInfo())
         val type = testee.determineType("myapp:foo bar") as NonHttpAppLink
         assertEquals("myapp:foo bar", type.uriString)
         assertEquals(0, type.intent.flags)