In the game files, there are many translations in the game are not used anymore and can be removed. Here are some that could be removed to free up some space and to make viewing the files a little easier:

_{seargeSays.searge*
commands.getchunkdata.*
commands.getchunks.*
commands.getspawnpoint.description
commands.gettopsolidblock.*}
^{commands.stats*}
_{crossPlatformToggle.*
disconnectionScreen.crossPlayDisabled*
generator.amplified*
generator.nether
generator.largeBiomes
generator.old
globalPauseScreen.message
item.axolotlColorLucy.name
item.ruby.name
tile.oreRuby.name
stream.*
profanity_filter.*
xbox.signin.error.pocket.line*
client.version.1.*
playscreen.beta_*
options.vbo
options.stream*
options.fov.max
options.fov.min
options.hudOpacity.*
options.forceUnicodeFont
options.fboEnable
options.farWarning*
multiplayer.texturePrompt.line*
multiplayer.info*
multiplayer.downloadingStats
mcoServer.title
key.smoothCamera
key.stream*
tile.netherreactor.*}
*  = delete anything that has anything with this localization name part
 
Feel free to comment any more that I missed