Remove @author tags (#5601)

Our files are up to a decade old, and have churned so much, that the initial author of the file no longer has much meaning.

Furthermore, this will encourage developers to post to the developer group, rather than emailing Googlers (usually me) directly.

generators/javascript/colour.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for colour blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/lists.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for list blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/logic.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for logic blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
  */
 'use strict';
 

generators/javascript/loops.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for loop blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/math.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for math blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
  */
 'use strict';
 

generators/javascript/procedures.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for procedure blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/text.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for text blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/variables.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for variable blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 

generators/javascript/variables_dynamic.js

@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Generating JavaScript for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
  */
 'use strict';