Removing namespace declarations for deprecated and unused namespaces. (#1796)

These namespaces use to contain the original block hue constants,
but were deprecated (via comment, except for procedures) over a year
ago. With the removal of those constants, the declarations were
creating empty, unused objects.

blocks/colour.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.colour');  // Deprecated
 goog.provide('Blockly.Constants.Colour');  // deprecated, 2018 April 5
 
 goog.require('Blockly.Blocks');

blocks/lists.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.lists');  // Deprecated
 goog.provide('Blockly.Constants.Lists');  // deprecated, 2018 April 5
 
 goog.require('Blockly.Blocks');

blocks/logic.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.logic');  // Deprecated
 goog.provide('Blockly.Constants.Logic');
 
 goog.require('Blockly.Blocks');

blocks/loops.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.loops');  // Deprecated
 goog.provide('Blockly.Constants.Loops');
 
 goog.require('Blockly.Blocks');

blocks/math.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.math');  // Deprecated
 goog.provide('Blockly.Constants.Math');
 
 goog.require('Blockly.Blocks');

blocks/procedures.js

@@ -24,8 +24,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.procedures');
-
 goog.require('Blockly.Blocks');
 goog.require('Blockly');
 

blocks/text.js

@@ -24,7 +24,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.texts');  // Deprecated
 goog.provide('Blockly.Constants.Text');
 
 goog.require('Blockly.Blocks');

blocks/variables.js

@@ -29,7 +29,6 @@
  */
 'use strict';
 
-goog.provide('Blockly.Blocks.variables');  // Deprecated.
 goog.provide('Blockly.Constants.Variables');
 
 goog.require('Blockly.Blocks');