Misc Cleanup 2 (#1007)

* Cleanup `UNK_TYPE`, `UNK_PTR` usage

* Add some missing empty lines after declarations

* Remove some legacy comments from non-matching times

* Fix some grammar (mostly "it's"/"its")

* Use proper names for two symbols after ZAPD bugfix

* Cleanup `place_title_cards.xml`

* Use `NULL` to check against `D_8012D260` pointer

* Parentheses around some macro arguments

* wip proofread headers up to z64animation.h

src/code/db_camera.c

@@ -429,6 +429,7 @@ void DbCamera_PrintPoints(const char* name, s16 count, CutsceneCameraPoint* poin
 void DbCamera_PrintF32Bytes(f32 value) {
     f32 b = value;
     char* a = (char*)&b;
+
     osSyncPrintf("\n@@@%d,%d,%d,%d,", a[0], a[1], a[2], a[3]);
 }
 
@@ -436,6 +437,7 @@ void DbCamera_PrintU16Bytes(u16 value) {
     u16 pad;
     u16 b = value;
     char* a = (char*)&b;
+
     osSyncPrintf("\n@@@%d,%d,", a[0], a[1]);
 }
 
@@ -443,6 +445,7 @@ void DbCamera_PrintS16Bytes(s16 value) {
     u16 pad;
     s16 b = value;
     char* a = (char*)&b;
+
     osSyncPrintf("\n@@@%d,%d,", a[0], a[1]);
 }