Remove some unsupported instructions in the docs.

Signed-off-by: Shijiang Wei <mountkin@gmail.com>

docs/man/docker-commit.1.md

@@ -22,7 +22,7 @@ Using an existing container's name or ID you can create a new image.
 
 **-c** , **--change**=[]
    Apply specified Dockerfile instructions while committing the image
-   Supported Dockerfile instructions: `ADD`|`CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`FROM`|`MAINTAINER`|`RUN`|`USER`|`LABEL`|`VOLUME`|`WORKDIR`|`COPY`
+   Supported Dockerfile instructions: `CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
 
 **--help**
   Print usage statement

docs/man/docker-import.1.md

@@ -13,7 +13,7 @@ URL|- [REPOSITORY[:TAG]]
 # OPTIONS
 **-c**, **--change**=[]
    Apply specified Dockerfile instructions while importing the image
-   Supported Dockerfile instructions: `ADD`|`CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`FROM`|`MAINTAINER`|`RUN`|`USER`|`LABEL`|`VOLUME`|`WORKDIR`|`COPY`
+   Supported Dockerfile instructions: `CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
 
 # DESCRIPTION
 Create a new filesystem image from the contents of a tarball (`.tar`,

docs/sources/reference/commandline/cli.md

@@ -839,7 +839,8 @@ If this behavior is undesired, set the 'p' option to false.
 
 The `--change` option will apply `Dockerfile` instructions to the image
 that is created.
-Supported `Dockerfile` instructions: `ADD`|`CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`FROM`|`MAINTAINER`|`RUN`|`USER`|`LABEL`|`VOLUME`|`WORKDIR`|`COPY`
+Supported `Dockerfile` instructions:
+`CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
 
 #### Commit a container
 
@@ -1347,8 +1348,8 @@ the `-` parameter to take the data from `STDIN`.
 
 The `--change` option will apply `Dockerfile` instructions to the image
 that is created.
-Supported `Dockerfile` instructions: `CMD`, `ENTRYPOINT`, `ENV`, `EXPOSE`,
-`ONBUILD`, `USER`, `VOLUME`, `WORKDIR`
+Supported `Dockerfile` instructions:
+`CMD`|`ENTRYPOINT`|`ENV`|`EXPOSE`|`ONBUILD`|`USER`|`VOLUME`|`WORKDIR`
 
 #### Examples