Remove unused/unnecessary parts

src/meson.build

@@ -79,7 +79,6 @@ libsqueekboard = static_library('libsqueekboard',
   link_with: rslib,
   include_directories: [include_directories('..'), include_directories('../eek')],
   dependencies: deps,
-  install: true,
   c_args: [
     '-DTHEMESDIR="' + pkgdatadir + '/themes"',
     '-DKEYBOARDSDIR="' + pkgdatadir + '/keyboards"',

tests/meson.build

@@ -11,7 +11,6 @@ test_env = [
 test_cflags = [
   '-I@0@/../src'.format(meson.current_source_dir()),
   '-I@0@/../src'.format(meson.current_build_dir()),
-  '-DFOR_TESTING',
   '-DEEK_COMPILATION',
   '-DEEKBOARD_COMPILATION'
 ]
@@ -34,7 +33,6 @@ foreach name : tests
         test_sources,
         squeekboard_resources,
         link_with: libsqueekboard,
-#        wl_proto_sources,
         c_args : test_cflags,
         link_args: test_link_args,
         dependencies: deps,       # from src/meson.build