Remove as much trailing whitespace as possible.

Change-Id: I873c1c6d00f447269bd841494459efccdd2c19c0

contrib/ast-db-manage/cdr/versions/210693f3123d_create_cdr_table.py

@@ -61,4 +61,3 @@ def upgrade():
 
 def downgrade():
     op.drop_table('cdr')
-

contrib/ast-db-manage/config/versions/1758e8bbf6b_increase_useragent_column_size.py

@@ -38,4 +38,3 @@ def upgrade():
 
 def downgrade():
     op.alter_column('sippeers', 'useragent', type_=sa.String(20))
-

contrib/ast-db-manage/config/versions/28887f25a46f_create_queue_tables.py

@@ -138,4 +138,3 @@ def downgrade():
 
     sa.Enum(name=QUEUE_STRATEGY_NAME).drop(op.get_bind(), checkfirst=False)
     sa.Enum(name=QUEUE_AUTOPAUSE_NAME).drop(op.get_bind(), checkfirst=False)
-

contrib/ast-db-manage/config/versions/4a6c67fa9b7a_add_fax_detect_timeout_option.py

@@ -20,4 +20,3 @@ def upgrade():
 
 def downgrade():
     op.drop_column('ps_endpoints', 'fax_detect_timeout')
-

contrib/ast-db-manage/config/versions/837aa67461fb_ps_contacts_add_authenticate_qualify.py

@@ -31,4 +31,3 @@ def downgrade():
     if op.get_context().bind.dialect.name == 'mssql':
         op.drop_constraint('ck_ps_contacts_authenticate_qualify_yesno_values','ps_contacts')
     op.drop_column('ps_contacts', 'authenticate_qualify')
-

contrib/ast-db-manage/config/versions/a6ef36f1309_ps_globals_add_ignore_uri_user_options.py

@@ -31,4 +31,3 @@ def downgrade():
     if op.get_context().bind.dialect.name == 'mssql':
         op.drop_constraint('ck_ps_globals_ignore_uri_user_options_yesno_values','ps_globals')
     op.drop_column('ps_globals', 'ignore_uri_user_options')
-

contrib/ast-db-manage/config/versions/d39508cb8d8_create_queue_rules.py

@@ -28,4 +28,3 @@ def downgrade():
     ########################## drop tables ###########################
 
     op.drop_table('queue_rules')
-

contrib/ast-db-manage/env.py

@@ -150,4 +150,3 @@ if context.is_offline_mode():
     run_migrations_offline()
 else:
     run_migrations_online()
-

contrib/ast-db-manage/voicemail/versions/39428242f7f5_increase_recording_column_size.py

@@ -41,4 +41,3 @@ def upgrade():
 
 def downgrade():
     op.alter_column('voicemail_messages', 'recording', type_=sa.LargeBinary)
-