Settings: remove taps to become a developer

Developer settings are enabled by default, so having this "feature"
in the Settings app is pointless and annoying. Remove it to improve
the UX.

PS2: Remove some strings too

Change-Id: I87fc6aadb8969717ea55df345ffab6f8ee397882
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>
Settings: Updated Hungarian Translations

  Patch Set 2: Rebase to remove unnecessary dependency.

Change-Id: I101530f8ebbc4f683ce5da3a51e5b383b50d4331
Enabling the hidden 4.3 appopps feature

Change-Id: I58fcf759e541b130dc538b174aed10104c6811c0